#90EDE3
Closest named color: Robin's Egg Blue (#98EFF9). oklch(88.5% 0.09 186.9), rgb(144, 237, 227).
Aa
Black text reads best on this color (15.40:1).
About this color
#90EDE3 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 89%, its chroma 0.090 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Robin's Egg Blue (#98EFF9), ΔE 0.032 away. Black text reads best on it, at 15.40:1.
| Hue family | Teals and cyans |
| Lightness | light (89%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Robin's Egg Blue (#98EFF9) |
| Black text | 15.40:1 |
| White text | 1.36:1 |
Values
| HEX | #90EDE3 |
| RGB | rgb(144, 237, 227) |
| HSL | hsl(174, 72%, 75%) |
| OKLCH | oklch(88.5% 0.09 186.9) |
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 #90EDE3 | 1.36:1 | Fails | Lc -20.2 | Dividers and decoration only |
| Black text on #90EDE3 | 15.40:1 | AAA | Lc 86.0 | Fine for body text |
| #90EDE3 text on white | 1.36:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #90EDE3 text on black | 15.40:1 | AAA | Lc -86.0 | 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
#D2F2ED
oklch(93.7% 0.034 185.2)
-
Step 200
200 (this color)
#90EDE3
oklch(88.5% 0.09 186.9)
-
Step 300
300
#55D9CD
oklch(81% 0.116 186.8)
-
Step 400
400
#00B9AD
oklch(70.7% 0.124 186.6)
-
Step 500
500
#009E94
oklch(63% 0.11 186.9)
-
Step 600
600
#00857D
oklch(55.5% 0.097 187.4)
-
Step 700
700
#007069
oklch(49.1% 0.086 187.3)
-
Step 800
800
#005C56
oklch(42.8% 0.075 187.1)
-
Step 900
900
#004D47
oklch(37.8% 0.066 185.9)
-
Step 950
950
#002E2A
oklch(27.1% 0.048 185.8)
#90EDE3 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) | #E4E4E3 | 0.096 |
| Deuteranopia (no green cones) | #D4D8E4 | 0.090 |
| Tritanopia (no blue cones) | #6BF1EA | 0.029 |
| Achromatopsia (no color) | #DDDDDD | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90EDE3
#90EDE3
oklch(88.5% 0.09 186.9)
- #FFC9D2
#FFC9D2
oklch(88.6% 0.062 7.2)
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 #90EDE3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg Blue #98EFF9 ΔE 0.032
- Robin Egg Blue #8AF1FE ΔE 0.035
- Pale Turquoise #AFEEEE ΔE 0.037
- Robin's Egg #6DEDFD ΔE 0.043
- Light Teal #90E4C1 ΔE 0.046
- Light Turquoise #7EF4CC ΔE 0.046
- Powder Blue #B0E0E6 ΔE 0.047
- Celeste #A8DADC ΔE 0.052
Use #90EDE3 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.