#90EAFC
Closest named color: Robin's Egg Blue (#98EFF9). oklch(88.7% 0.09 211.8), rgb(144, 234, 252).
Aa
Black text reads best on this color (15.36:1).
About this color
#90EAFC is a light, moderately saturated teal or cyan. In OKLCH its lightness is 89%, its chroma 0.090 and its hue 212°. Its hue sits on the cool side of the wheel. The nearest named color is Robin's Egg Blue (#98EFF9), ΔE 0.018 away. Black text reads best on it, at 15.36:1.
| Hue family | Teals and cyans |
| Lightness | light (89%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Robin's Egg Blue (#98EFF9) |
| Black text | 15.36:1 |
| White text | 1.36:1 |
Values
| HEX | #90EAFC |
| RGB | rgb(144, 234, 252) |
| HSL | hsl(190, 95%, 78%) |
| OKLCH | oklch(88.7% 0.09 211.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #90EAFC | 1.36:1 | Fails | Lc -20.4 | Dividers and decoration only |
| Black text on #90EAFC | 15.36:1 | AAA | Lc 85.8 | Fine for body text |
| #90EAFC text on white | 1.36:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #90EAFC text on black | 15.36:1 | AAA | Lc -85.8 | Fine for body text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 200.
-
Step 50
50
#EAF8FB
oklch(97% 0.015 212)
-
Step 100
100
#D2F0F7
oklch(93.6% 0.033 213.4)
-
Step 200
200 (this color)
#90EAFC
oklch(88.7% 0.09 211.8)
-
Step 300
300
#55D4EB
oklch(80.8% 0.115 211.7)
-
Step 400
400
#00B4CD
oklch(70.7% 0.123 212.1)
-
Step 500
500
#009AB0
oklch(63% 0.11 212.4)
-
Step 600
600
#008294
oklch(55.7% 0.097 211.6)
-
Step 700
700
#006D7D
oklch(49.1% 0.086 212.3)
-
Step 800
800
#005966
oklch(42.6% 0.074 211.8)
-
Step 900
900
#004A56
oklch(37.6% 0.066 213)
-
Step 950
950
#002C34
oklch(26.9% 0.047 213.2)
#90EAFC with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #DBE4FD | 0.084 |
| Deuteranopia (no green cones) | #CAD7FC | 0.077 |
| Tritanopia (no blue cones) | #5EF2EF | 0.049 |
| Achromatopsia (no color) | #DCDCDC | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90EAFC
#90EAFC
oklch(88.7% 0.09 211.8)
- #FFCCC1
#FFCCC1
oklch(88.7% 0.06 32.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #90EAFC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg Blue #98EFF9 ΔE 0.018
- Robin Egg Blue #8AF1FE ΔE 0.018
- Robin's Egg #6DEDFD ΔE 0.028
- Pale Turquoise #AFEEEE ΔE 0.039
- Powder Blue #B0E0E6 ΔE 0.042
- Diamond #B9F2FF ΔE 0.049
- Light Blue #ADD8E6 ΔE 0.052
- Celeste #A8DADC ΔE 0.052
Use #90EAFC in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.