#90E2DB
Closest named color: Celeste (#A8DADC). oklch(85.8% 0.081 188.9), rgb(144, 226, 219).
Aa
Black text reads best on this color (14.08:1).
About this color
#90E2DB is a light, moderately saturated teal or cyan. In OKLCH its lightness is 86%, its chroma 0.081 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.032 away. Black text reads best on it, at 14.08:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 14.08:1 |
| White text | 1.49:1 |
Values
| HEX | #90E2DB |
| RGB | rgb(144, 226, 219) |
| HSL | hsl(175, 59%, 73%) |
| OKLCH | oklch(85.8% 0.081 188.9) |
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 #90E2DB | 1.49:1 | Fails | Lc -26.1 | Dividers and decoration only |
| Black text on #90E2DB | 14.08:1 | AAA | Lc 80.8 | Fine for body text |
| #90E2DB text on white | 1.49:1 | Fails | Lc 23.0 | Dividers and decoration only |
| #90E2DB text on black | 14.08:1 | AAA | Lc -80.3 | 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
#ECF9F7
oklch(97.2% 0.014 186)
-
Step 100
100
#D4F1EE
oklch(93.6% 0.031 189.1)
-
Step 200
200 (this color)
#90E2DB
oklch(85.8% 0.081 188.9)
-
Step 300
300
#65D6CE
oklch(80.8% 0.104 189.1)
-
Step 400
400
#00B8B0
oklch(70.6% 0.122 189.3)
-
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
#00706A
oklch(49.1% 0.085 188.3)
-
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)
#90E2DB 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) | #DADADB | 0.087 |
| Deuteranopia (no green cones) | #CBCFDC | 0.081 |
| Tritanopia (no blue cones) | #71E6E0 | 0.026 |
| Achromatopsia (no color) | #D3D3D3 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90E2DB
#90E2DB
oklch(85.8% 0.081 188.9)
- #FFBBC6
#FFBBC6
oklch(85.8% 0.08 8.1)
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 #90E2DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.032
- Light Teal #90E4C1 ΔE 0.038
- Powder Blue #B0E0E6 ΔE 0.040
- Light Blue #ADD8E6 ΔE 0.046
- Robin's Egg Blue #98EFF9 ΔE 0.048
- Tiffany Blue #94D2BD ΔE 0.050
- Robin's Egg #6DEDFD ΔE 0.050
- Robin Egg Blue #8AF1FE ΔE 0.052
Use #90E2DB 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.