Color #90EFFE Color / Colour Code #90EFFE
This page shows the hex color code for color #90effe (#90EFFE). The colour is a cyan tone with 98% saturation and 78% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #90EFFE against common backgrounds.
Complementary Colors
#90EFFE paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 158, 188, and 218 degrees for harmonious combinations.
Triadic Palette
Three colors at 188, 308, and 68 degrees.
Color Palettes Using #90EFFE
Five shades at lightness levels 15% through 85% while keeping hue at 188 and saturation at 98%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 188 to 233 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 188 with its complement at 8 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 #90EFFE
Lightness variations at hue 188 and 98% saturation.
CSS Gradients with #90EFFE
Design Use Cases for #90EFFE
High-Impact Accent
With 98% saturation, #90EFFE is highly vivid. Reserve this for elements that need maximum attention: primary action buttons, notification badges, error states, or promotional banners. Use sparingly alongside neutral tones to avoid visual fatigue.
Light Background Tint
#90EFFE at 78% 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.
Clarity & Technology
#90EFFE is in the cyan spectrum (hue 188). 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 #90EFFE (hue 188) to its complement at hue 8. For a subtler effect, try pairing with an analogous color at hue 218. Use CSS: background: linear-gradient(135deg, #90effe, #fe9f90);
CSS Code for #90EFFE
Similar Colors
Colors visually similar to #90EFFE based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #90EFFE across image editing and color design tools.
About Color #90EFFE (#90EFFE)
#90EFFE is a cyan color (colour) with RGB channel values of 144 red, 239 green, and 254 blue. The blue channel is dominant with a relatively balanced channel distribution. In HSL terms, the hue sits at 188 degrees with 98% saturation and 78% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #90EFFE is 212/255 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 43% cyan, 6% magenta, 0% yellow, and 0% key (black).
The WCAG contrast ratio of #90EFFE against white is 1.32:1 and against black is 15.96:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 15.96:1, or use it exclusively for decorative purposes.
The complementary colour #FE9F90 creates maximum visual tension when paired with #90EFFE. For more harmonious color combinations, use the analogous colours #90FED6 and #90B8FE, 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 #90EFFE
- 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 #90EFFE?
- #90EFFE is Color #90EFFE, a cyan color (colour) with RGB(144, 239, 254), HSL(188, 98%, 78%), and CMYK(43%, 6%, 0%, 0%). Its perceived brightness is 212/255.
- Is #90EFFE accessible for text?
- Against white, #90EFFE has a contrast ratio of 1.32:1 (fails AA for normal text). Against black, it has 15.96:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #90EFFE?
- The complementary colour is #FE9F90 (hue 8). For subtle color combinations, use analogous colours #90FED6 and #90B8FE. The triadic palette adds #FE90EF and #EFFE90 for vibrant variety.
- How do I use #90EFFE in CSS?
- Use any format: color: #90effe; or rgb(144, 239, 254); or hsl(188, 98%, 78%). For CSS custom properties: --color-primary: 188 98% 78%; 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.