#90D0EC
Closest named color: Sky Blue (#87CEEB). oklch(82.4% 0.076 227.2), rgb(144, 208, 236).
Aa
Black text reads best on this color (12.41:1).
About this color
#90D0EC is a light, moderately saturated teal or cyan. In OKLCH its lightness is 82%, its chroma 0.076 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.011 away. Black text reads best on it, at 12.41:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 12.41:1 |
| White text | 1.69:1 |
Values
| HEX | #90D0EC |
| RGB | rgb(144, 208, 236) |
| HSL | hsl(198, 71%, 75%) |
| OKLCH | oklch(82.4% 0.076 227.2) |
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 #90D0EC | 1.69:1 | Fails | Lc -33.8 | Non-text elements, placeholder text |
| Black text on #90D0EC | 12.41:1 | AAA | Lc 73.8 | Content text, not long reading |
| #90D0EC text on white | 1.69:1 | Fails | Lc 30.0 | Non-text elements, placeholder text |
| #90D0EC text on black | 12.41:1 | AAA | Lc -72.8 | 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
#EFF7FB
oklch(97.1% 0.01 228.9)
-
Step 100
100
#DBEDF5
oklch(93.5% 0.022 226.1)
-
Step 200
200
#BDDFEF
oklch(88.4% 0.042 227.9)
-
Step 300
300 (this color)
#90D0EC
oklch(82.4% 0.076 227.2)
-
Step 400
400
#35AFDB
oklch(70.7% 0.121 227.1)
-
Step 500
500
#0097C2
oklch(63.1% 0.122 226.9)
-
Step 600
600
#007FA4
oklch(55.6% 0.108 227.1)
-
Step 700
700
#006B8A
oklch(49.2% 0.095 226.5)
-
Step 800
800
#005772
oklch(42.6% 0.083 227.6)
-
Step 900
900
#00495F
oklch(37.8% 0.072 226.2)
-
Step 950
950
#002B3A
oklch(27% 0.052 227.2)
#90D0EC 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) | #C1CDEE | 0.058 |
| Deuteranopia (no green cones) | #B4C2EC | 0.053 |
| Tritanopia (no blue cones) | #6DD8D9 | 0.052 |
| Achromatopsia (no color) | #C7C7C7 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90D0EC
#90D0EC
oklch(82.4% 0.076 227.2)
- #F0B79C
#F0B79C
oklch(82.5% 0.076 46.5)
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 #90D0EC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.011
- Light Sky Blue #87CEFA ΔE 0.024
- Baby Blue #A2CFFE ΔE 0.035
- Sky #82CAFC ΔE 0.035
- Lightblue #7BC8F6 ΔE 0.037
- Light Cornflower Blue #98C1D9 ΔE 0.041
- Light Blue #ADD8E6 ΔE 0.043
- Light Steel Blue #B0C4DE ΔE 0.044
Use #90D0EC 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.