Color #91D2EE Color / Colour Code #91D2EE
This page shows the hex color code for color #91d2ee (#91D2EE). The colour is a blue tone with 73% saturation and 75% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #91D2EE against common backgrounds.
Complementary Colors
#91D2EE paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 168, 198, and 228 degrees for harmonious combinations.
Triadic Palette
Three colors at 198, 318, and 78 degrees.
Color Palettes Using #91D2EE
Five shades at lightness levels 15% through 85% while keeping hue at 198 and saturation at 73%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 198 to 243 degrees create a warm, unified palette. This analogous scheme works for marketing materials, seasonal campaigns, and any design that needs visual warmth without clashing colors.
Combines the base color at hue 198 with its complement at 18 and two adjacent cool tones. This split-complementary approach provides strong visual contrast while remaining more balanced than a pure complementary scheme.
Five evenly spaced hues at 40% saturation and 80% lightness. Pastels are gentle on the eyes and work well for dashboards, onboarding screens, category tags, and any interface where multiple distinct colors are needed without visual aggression.
Shades & Tints of #91D2EE
Lightness variations at hue 198 and 73% saturation.
CSS Gradients with #91D2EE
Design Use Cases for #91D2EE
Vibrant Brand Color
#91D2EE has a strong 73% saturation that makes it ideal for brand identity elements. Use it for logos, primary call-to-action buttons, hero section accents, and marketing materials where visual impact matters. This saturation level is eye-catching without being harsh.
Light Background Tint
#91D2EE at 75% lightness creates a gentle tinted background. Use it for section backgrounds, alert banners, or card surfaces that need to stand out from a white page without strong contrast. It adds color personality while keeping the design light and open.
Trust & Professional Identity
#91D2EE sits in the blue range (hue 198). Blue is the world's most popular color for corporate identities because it conveys trust, stability, and competence. Use it for navigation bars, link text, form focus states, and any element where user confidence matters. Financial, healthcare, and technology brands rely heavily on this hue range.
Gradient Pairing
Create a gradient from #91D2EE (hue 198) to its complement at hue 18. For a subtler effect, try pairing with an analogous color at hue 228. Use CSS: background: linear-gradient(135deg, #91d2ee, #eead91);
CSS Code for #91D2EE
Similar Colors
Colors visually similar to #91D2EE based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #91D2EE across image editing and color design tools.
About Color #91D2EE (#91D2EE)
#91D2EE is a blue color (colour) with RGB channel values of 145 red, 210 green, and 238 blue. The blue channel is dominant with a relatively balanced channel distribution. In HSL terms, the hue sits at 198 degrees with 73% saturation and 75% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #91D2EE is 194/255 using the ITU-R BT.601 luma formula (0.299R + 0.587G + 0.114B). This means it appears bright to the human eye and is best paired with dark text for readability. For print production, the CMYK equivalent is 39% cyan, 12% magenta, 0% yellow, and 7% key (black).
The WCAG contrast ratio of #91D2EE against white is 1.66:1 and against black is 12.66:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 12.66:1, or use it exclusively for decorative purposes.
The complementary colour #EEAD91 creates maximum visual tension when paired with #91D2EE. For more harmonious color combinations, use the analogous colours #91EEDB and #91A3EE, which sit 30 degrees on either side of the hue wheel. To build a complete design system, start with the monochromatic scale above for consistent shade variations, then add one complementary or triadic accent for interactive elements.
How to Explore Color #91D2EE
- Enter your color value in HEX format.
- The tool converts it to RGB, HSL, CMYK format in real time.
- Copy the converted value to your clipboard.
What is HEX to RGB, HSL, CMYK color conversion
Converting from HEX to RGB, HSL, CMYK translates a color value between two different color models. Different color models are used in web design (HEX, RGB), print (CMYK), and color theory (HSL, HSV).
Related Tools & Colors
Frequently Asked Questions
- What color / colour is #91D2EE?
- #91D2EE is Color #91D2EE, a blue color (colour) with RGB(145, 210, 238), HSL(198, 73%, 75%), and CMYK(39%, 12%, 0%, 7%). Its perceived brightness is 194/255.
- Is #91D2EE accessible for text?
- Against white, #91D2EE has a contrast ratio of 1.66:1 (fails AA for normal text). Against black, it has 12.66:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #91D2EE?
- The complementary colour is #EEAD91 (hue 18). For subtle color combinations, use analogous colours #91EEDB and #91A3EE. The triadic palette adds #EE91D2 and #D2EE91 for vibrant variety.
- How do I use #91D2EE in CSS?
- Use any format: color: #91d2ee; or rgb(145, 210, 238); or hsl(198, 73%, 75%). For CSS custom properties: --color-primary: 198 73% 75%; then use it as hsl(var(--color-primary)).
- Is this color / colour explorer free?
- Yes, completely free with no signup required. All colour calculations run in your browser. You can explore any valid hex color code, not just the pre-generated palette.