#90EBE4
Closest named color: Robin's Egg Blue (#98EFF9). oklch(88.1% 0.088 189.4), rgb(144, 235, 228).
Aa
Black text reads best on this color (15.18:1).
About this color
#90EBE4 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 88%, its chroma 0.088 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Robin's Egg Blue (#98EFF9), ΔE 0.031 away. Black text reads best on it, at 15.18:1.
| Hue family | Teals and cyans |
| Lightness | light (88%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Robin's Egg Blue (#98EFF9) |
| Black text | 15.18:1 |
| White text | 1.38:1 |
Values
| HEX | #90EBE4 |
| RGB | rgb(144, 235, 228) |
| HSL | hsl(175, 69%, 74%) |
| OKLCH | oklch(88.1% 0.088 189.4) |
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 #90EBE4 | 1.38:1 | Fails | Lc -21.1 | Dividers and decoration only |
| Black text on #90EBE4 | 15.18:1 | AAA | Lc 85.2 | Fine for body text |
| #90EBE4 text on white | 1.38:1 | Fails | Lc 18.5 | Dividers and decoration only |
| #90EBE4 text on black | 15.18:1 | AAA | Lc -85.0 | 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
#EBF9F7
oklch(97.1% 0.015 186.7)
-
Step 100
100
#D2F1EE
oklch(93.5% 0.033 189.5)
-
Step 200
200 (this color)
#90EBE4
oklch(88.1% 0.088 189.4)
-
Step 300
300
#57D8D0
oklch(80.9% 0.113 189.5)
-
Step 400
400
#00B8B1
oklch(70.6% 0.122 190)
-
Step 500
500
#009E97
oklch(63.1% 0.109 189.2)
-
Step 600
600
#00857F
oklch(55.6% 0.096 189.2)
-
Step 700
700
#00706B
oklch(49.2% 0.085 189.4)
-
Step 800
800
#005C57
oklch(42.8% 0.074 188.4)
-
Step 900
900
#004C49
oklch(37.6% 0.065 190.2)
-
Step 950
950
#002E2B
oklch(27.1% 0.047 188)
#90EBE4 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) | #E2E2E4 | 0.094 |
| Deuteranopia (no green cones) | #D1D6E5 | 0.088 |
| Tritanopia (no blue cones) | #6BEFE9 | 0.029 |
| Achromatopsia (no color) | #DBDBDB | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90EBE4
#90EBE4
oklch(88.1% 0.088 189.4)
- #FFC7CF
#FFC7CF
oklch(88.1% 0.065 8.9)
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 #90EBE4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg Blue #98EFF9 ΔE 0.031
- Robin Egg Blue #8AF1FE ΔE 0.034
- Pale Turquoise #AFEEEE ΔE 0.037
- Robin's Egg #6DEDFD ΔE 0.040
- Powder Blue #B0E0E6 ΔE 0.043
- Light Teal #90E4C1 ΔE 0.046
- Celeste #A8DADC ΔE 0.047
- Light Turquoise #7EF4CC ΔE 0.051
Use #90EBE4 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.