#90EBF8
Closest named color: Robin's Egg Blue (#98EFF9). oklch(88.8% 0.089 207.3), rgb(144, 235, 248).
Aa
Black text reads best on this color (15.42:1).
About this color
#90EBF8 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 89%, its chroma 0.089 and its hue 207°. Its hue sits on the cool side of the wheel. The nearest named color is Robin's Egg Blue (#98EFF9), ΔE 0.014 away. Black text reads best on it, at 15.42:1.
| Hue family | Teals and cyans |
| Lightness | light (89%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Robin's Egg Blue (#98EFF9) |
| Black text | 15.42:1 |
| White text | 1.36:1 |
Values
| HEX | #90EBF8 |
| RGB | rgb(144, 235, 248) |
| HSL | hsl(188, 88%, 77%) |
| OKLCH | oklch(88.8% 0.089 207.3) |
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 #90EBF8 | 1.36:1 | Fails | Lc -20.1 | Dividers and decoration only |
| Black text on #90EBF8 | 15.42:1 | AAA | Lc 86.1 | Fine for body text |
| #90EBF8 text on white | 1.36:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #90EBF8 text on black | 15.42:1 | 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
#EAF9FB
oklch(97.2% 0.016 206.4)
-
Step 100
100
#D2F1F5
oklch(93.7% 0.033 206.1)
-
Step 200
200 (this color)
#90EBF8
oklch(88.8% 0.089 207.3)
-
Step 300
300
#54D5E6
oklch(80.9% 0.114 207.3)
-
Step 400
400
#00B5C7
oklch(70.7% 0.121 207.4)
-
Step 500
500
#009BAB
oklch(63% 0.108 207.7)
-
Step 600
600
#008290
oklch(55.5% 0.095 208)
-
Step 700
700
#006E79
oklch(49.2% 0.084 206.9)
-
Step 800
800
#005A63
oklch(42.7% 0.073 206.6)
-
Step 900
900
#004B53
oklch(37.7% 0.065 207)
-
Step 950
950
#002D32
oklch(27.1% 0.046 206.3)
#90EBF8 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) | #DDE4F9 | 0.086 |
| Deuteranopia (no green cones) | #CCD7F8 | 0.080 |
| Tritanopia (no blue cones) | #61F2EF | 0.043 |
| Achromatopsia (no color) | #DDDDDD | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90EBF8
#90EBF8
oklch(88.8% 0.089 207.3)
- #FFCCC5
#FFCCC5
oklch(88.8% 0.059 27.4)
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 #90EBF8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg Blue #98EFF9 ΔE 0.014
- Robin Egg Blue #8AF1FE ΔE 0.016
- Robin's Egg #6DEDFD ΔE 0.027
- Pale Turquoise #AFEEEE ΔE 0.035
- Powder Blue #B0E0E6 ΔE 0.041
- Diamond #B9F2FF ΔE 0.049
- Celeste #A8DADC ΔE 0.051
- Light Blue #ADD8E6 ΔE 0.053
Use #90EBF8 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.