#90ECE4
Closest named color: Robin's Egg Blue (#98EFF9). oklch(88.3% 0.089 188.6), rgb(144, 236, 228).
Aa
Black text reads best on this color (15.30:1).
About this color
#90ECE4 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 88%, its chroma 0.089 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 0.030 away. Black text reads best on it, at 15.30:1.
| Hue family | Teals and cyans |
| Lightness | light (88%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Robin's Egg Blue (#98EFF9) |
| Black text | 15.30:1 |
| White text | 1.37:1 |
Values
| HEX | #90ECE4 |
| RGB | rgb(144, 236, 228) |
| HSL | hsl(175, 71%, 75%) |
| OKLCH | oklch(88.3% 0.089 188.6) |
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 #90ECE4 | 1.37:1 | Fails | Lc -20.6 | Dividers and decoration only |
| Black text on #90ECE4 | 15.30:1 | AAA | Lc 85.6 | Fine for body text |
| #90ECE4 text on white | 1.37:1 | Fails | Lc 18.0 | Dividers and decoration only |
| #90ECE4 text on black | 15.30:1 | AAA | Lc -85.5 | 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
#EBF9F7
oklch(97.1% 0.015 186.7)
-
Step 100
100
#D2F1EE
oklch(93.5% 0.033 189.5)
-
Step 200
200 (this color)
#90ECE4
oklch(88.3% 0.089 188.6)
-
Step 300
300
#56D8CF
oklch(80.8% 0.114 188.8)
-
Step 400
400
#00B9B0
oklch(70.8% 0.123 188.6)
-
Step 500
500
#009E96
oklch(63% 0.109 188.5)
-
Step 600
600
#00857E
oklch(55.6% 0.097 188.3)
-
Step 700
700
#00706A
oklch(49.1% 0.085 188.3)
-
Step 800
800
#005C57
oklch(42.8% 0.074 188.4)
-
Step 900
900
#004C48
oklch(37.6% 0.065 188.7)
-
Step 950
950
#002E2B
oklch(27.1% 0.047 188)
#90ECE4 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) | #E3E3E4 | 0.095 |
| Deuteranopia (no green cones) | #D2D7E5 | 0.088 |
| Tritanopia (no blue cones) | #6BF0E9 | 0.029 |
| Achromatopsia (no color) | #DCDCDC | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90ECE4
#90ECE4
oklch(88.3% 0.089 188.6)
- #FFC8D0
#FFC8D0
oklch(88.3% 0.063 8.7)
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 #90ECE4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg Blue #98EFF9 ΔE 0.030
- Robin Egg Blue #8AF1FE ΔE 0.034
- Pale Turquoise #AFEEEE ΔE 0.036
- Robin's Egg #6DEDFD ΔE 0.041
- Powder Blue #B0E0E6 ΔE 0.044
- Light Teal #90E4C1 ΔE 0.046
- Light Turquoise #7EF4CC ΔE 0.049
- Celeste #A8DADC ΔE 0.049
Use #90ECE4 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.