#90D4E5
Closest named color: Sky Blue (#87CEEB). oklch(83% 0.072 215.1), rgb(144, 212, 229).
Aa
Black text reads best on this color (12.73:1).
About this color
#90D4E5 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 83%, its chroma 0.072 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.023 away. Black text reads best on it, at 12.73:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 12.73:1 |
| White text | 1.64:1 |
Values
| HEX | #90D4E5 |
| RGB | rgb(144, 212, 229) |
| HSL | hsl(192, 62%, 73%) |
| OKLCH | oklch(83% 0.072 215.1) |
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 #90D4E5 | 1.64:1 | Fails | Lc -32.3 | Non-text elements, placeholder text |
| Black text on #90D4E5 | 12.73:1 | AAA | Lc 75.2 | Fine for body text |
| #90D4E5 text on white | 1.64:1 | Fails | Lc 28.7 | Dividers and decoration only |
| #90D4E5 text on black | 12.73:1 | AAA | Lc -74.2 | Content text, not long reading |
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 300.
-
Step 50
50
#EFF7F9
oklch(97.1% 0.009 214.3)
-
Step 100
100
#DBEEF3
oklch(93.7% 0.021 215.3)
-
Step 200
200
#BCE0EA
oklch(88.4% 0.04 216.4)
-
Step 300
300 (this color)
#90D4E5
oklch(83% 0.072 215.1)
-
Step 400
400
#2BB2CD
oklch(70.6% 0.115 215)
-
Step 500
500
#009AB3
oklch(63.1% 0.111 214.6)
-
Step 600
600
#008197
oklch(55.5% 0.098 215.2)
-
Step 700
700
#006D7F
oklch(49.2% 0.087 214.3)
-
Step 800
800
#005969
oklch(42.7% 0.076 215.4)
-
Step 900
900
#004A58
oklch(37.7% 0.067 215.8)
-
Step 950
950
#002C35
oklch(27% 0.048 215.4)
#90D4E5 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) | #C8CFE6 | 0.066 |
| Deuteranopia (no green cones) | #BAC5E5 | 0.060 |
| Tritanopia (no blue cones) | #6FDBD9 | 0.042 |
| Achromatopsia (no color) | #C9C9C9 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90D4E5
#90D4E5
oklch(83% 0.072 215.1)
- #F2B7A8
#F2B7A8
oklch(82.9% 0.072 34.7)
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 #90D4E5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.023
- Light Blue #ADD8E6 ΔE 0.035
- Celeste #A8DADC ΔE 0.036
- Light Sky Blue #87CEFA ΔE 0.039
- Baby Blue #A2CFFE ΔE 0.048
- Light Cornflower Blue #98C1D9 ΔE 0.049
- Light Blue Grey #B7C9E2 ΔE 0.050
- Powder Blue #B0E0E6 ΔE 0.051
Use #90D4E5 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.