Color #91C8CB Color / Colour Code #91C8CB
This page shows the hex color code for color #91c8cb (#91C8CB). The colour is a cyan tone with 36% saturation and 68% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #91C8CB against common backgrounds.
Complementary Colors
#91C8CB paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 153, 183, and 213 degrees for harmonious combinations.
Triadic Palette
Three colors at 183, 303, and 63 degrees.
Color Palettes Using #91C8CB
Five shades at lightness levels 15% through 85% while keeping hue at 183 and saturation at 36%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 183 to 228 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 183 with its complement at 3 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 #91C8CB
Lightness variations at hue 183 and 36% saturation.
CSS Gradients with #91C8CB
Design Use Cases for #91C8CB
Balanced UI Color
At 36% saturation, #91C8CB strikes a balance between vibrancy and restraint. This makes it versatile for primary UI elements like navigation bars, card headers, and form accents. It draws attention without overwhelming adjacent content.
Soft Accent & Highlight
With 68% lightness, #91C8CB has a softer, more approachable quality. It works well for hover states, subtle highlights, progress indicators, and secondary UI elements. This lightness range is particularly effective for tag backgrounds and status indicators.
Clarity & Technology
#91C8CB is in the cyan spectrum (hue 183). Cyan evokes technology, clarity, and innovation. It works well for tech product interfaces, data visualization accents, loading indicators, and futuristic design themes. Cyan provides a modern alternative to traditional blues.
Gradient Pairing
Create a gradient from #91C8CB (hue 183) to its complement at hue 3. For a subtler effect, try pairing with an analogous color at hue 213. Use CSS: background: linear-gradient(135deg, #91c8cb, #cb9390);
CSS Code for #91C8CB
Similar Colors
Colors visually similar to #91C8CB based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #91C8CB across image editing and color design tools.
About Color #91C8CB (#91C8CB)
#91C8CB is a cyan color (colour) with RGB channel values of 145 red, 200 green, and 203 blue. The blue channel is dominant with a relatively balanced channel distribution. In HSL terms, the hue sits at 183 degrees with 36% saturation and 68% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #91C8CB is 184/255 using the ITU-R BT.601 luma formula (0.299R + 0.587G + 0.114B). This is a medium-brightness color that can work with either dark or light text depending on font weight and size. For print production, the CMYK equivalent is 29% cyan, 1% magenta, 0% yellow, and 20% key (black).
The WCAG contrast ratio of #91C8CB against white is 1.85:1 and against black is 11.33:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 11.33:1, or use it exclusively for decorative purposes.
The complementary colour #CB9390 creates maximum visual tension when paired with #91C8CB. For more harmonious color combinations, use the analogous colours #90CBB0 and #90AACB, 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 #91C8CB
- 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 #91C8CB?
- #91C8CB is Color #91C8CB, a cyan color (colour) with RGB(145, 200, 203), HSL(183, 36%, 68%), and CMYK(29%, 1%, 0%, 20%). Its perceived brightness is 184/255.
- Is #91C8CB accessible for text?
- Against white, #91C8CB has a contrast ratio of 1.85:1 (fails AA for normal text). Against black, it has 11.33:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #91C8CB?
- The complementary colour is #CB9390 (hue 3). For subtle color combinations, use analogous colours #90CBB0 and #90AACB. The triadic palette adds #CB90C8 and #C8CB90 for vibrant variety.
- How do I use #91C8CB in CSS?
- Use any format: color: #91c8cb; or rgb(145, 200, 203); or hsl(183, 36%, 68%). For CSS custom properties: --color-primary: 183 36% 68%; 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.