#90F2FA
Closest named color: Robin Egg Blue (#8AF1FE). oklch(90.4% 0.093 202.4), rgb(144, 242, 250).
Aa
Black text reads best on this color (16.26:1).
About this color
#90F2FA is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 90%, its chroma 0.093 and its hue 202°. Its hue sits on the cool side of the wheel. The nearest named color is Robin Egg Blue (#8AF1FE), ΔE 0.008 away. Black text reads best on it, at 16.26:1.
| Hue family | Teals and cyans |
| Lightness | very light (90%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Robin Egg Blue (#8AF1FE) |
| Black text | 16.26:1 |
| White text | 1.29:1 |
Values
| HEX | #90F2FA |
| RGB | rgb(144, 242, 250) |
| HSL | hsl(185, 91%, 77%) |
| OKLCH | oklch(90.4% 0.093 202.4) |
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 #90F2FA | 1.29:1 | Fails | Lc -16.5 | Dividers and decoration only |
| Black text on #90F2FA | 16.26:1 | AAA | Lc 89.3 | Fine for body text |
| #90F2FA text on white | 1.29:1 | Fails | Lc 14.3 | Not readable |
| #90F2FA text on black | 16.26:1 | AAA | Lc -89.5 | 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
#EAF9FA
oklch(97.1% 0.016 201.7)
-
Step 100
100
#D0F1F4
oklch(93.5% 0.035 203.3)
-
Step 200
200 (this color)
#90F2FA
oklch(90.4% 0.093 202.4)
-
Step 300
300
#48D7E2
oklch(80.9% 0.12 202.5)
-
Step 400
400
#00B6C1
oklch(70.7% 0.12 202.5)
-
Step 500
500
#009CA6
oklch(63.1% 0.107 202.8)
-
Step 600
600
#00838B
oklch(55.5% 0.095 202.3)
-
Step 700
700
#006E75
oklch(49% 0.083 202.5)
-
Step 800
800
#005A60
oklch(42.6% 0.073 202.7)
-
Step 900
900
#004B50
oklch(37.6% 0.064 202.5)
-
Step 950
950
#002D30
oklch(27% 0.046 201.8)
#90F2FA 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) | #E5EAFB | 0.095 |
| Deuteranopia (no green cones) | #D3DDFB | 0.087 |
| Tritanopia (no blue cones) | #5EF9F4 | 0.042 |
| Achromatopsia (no color) | #E2E2E2 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90F2FA
#90F2FA
oklch(90.4% 0.093 202.4)
- #FFD3D0
#FFD3D0
oklch(90.4% 0.05 22.7)
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 #90F2FA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin Egg Blue #8AF1FE ΔE 0.008
- Robin's Egg Blue #98EFF9 ΔE 0.010
- Pale Turquoise #AFEEEE ΔE 0.031
- Robin's Egg #6DEDFD ΔE 0.033
- Diamond #B9F2FF ΔE 0.042
- Pale Sky Blue #BDF6FE ΔE 0.048
- Powder Blue #B0E0E6 ΔE 0.052
- Bright Cyan #41FDFE ΔE 0.052
Use #90F2FA 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.