#90CEDB
Closest named color: Sky Blue (#87CEEB). oklch(81.4% 0.066 212.1), rgb(144, 206, 219).
Aa
Black text reads best on this color (12.03:1).
About this color
#90CEDB is a light, muted teal or cyan. In OKLCH its lightness is 81%, its chroma 0.066 and its hue 212°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.024 away. Black text reads best on it, at 12.03:1.
| Hue family | Teals and cyans |
| Lightness | light (81%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 12.03:1 |
| White text | 1.74:1 |
Values
| HEX | #90CEDB |
| RGB | rgb(144, 206, 219) |
| HSL | hsl(190, 51%, 71%) |
| OKLCH | oklch(81.4% 0.066 212.1) |
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 #90CEDB | 1.74:1 | Fails | Lc -35.6 | Non-text elements, placeholder text |
| Black text on #90CEDB | 12.03:1 | AAA | Lc 72.1 | Content text, not long reading |
| #90CEDB text on white | 1.74:1 | Fails | Lc 31.7 | Non-text elements, placeholder text |
| #90CEDB text on black | 12.03:1 | AAA | Lc -71.0 | 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
#DCEEF1
oklch(93.7% 0.019 208.8)
-
Step 200
200
#BFE0E7
oklch(88.5% 0.036 211.9)
-
Step 300
300 (this color)
#90CEDB
oklch(81.4% 0.066 212.1)
-
Step 400
400
#3EB2C7
oklch(70.8% 0.105 212.1)
-
Step 500
500
#009AB0
oklch(63% 0.11 212.4)
-
Step 600
600
#008294
oklch(55.7% 0.097 211.6)
-
Step 700
700
#006D7D
oklch(49.1% 0.086 212.3)
-
Step 800
800
#005967
oklch(42.6% 0.075 213)
-
Step 900
900
#004A56
oklch(37.6% 0.066 213)
-
Step 950
950
#002C34
oklch(26.9% 0.047 213.2)
#90CEDB 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) | #C3CADC | 0.061 |
| Deuteranopia (no green cones) | #B7C0DB | 0.057 |
| Tritanopia (no blue cones) | #74D4D2 | 0.036 |
| Achromatopsia (no color) | #C4C4C4 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90CEDB
#90CEDB
oklch(81.4% 0.066 212.1)
- #E9B3A8
#E9B3A8
oklch(81.3% 0.065 31.6)
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 #90CEDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.024
- Light Cornflower Blue #98C1D9 ΔE 0.035
- Cloudy Blue #ACC2D9 ΔE 0.042
- Celeste #A8DADC ΔE 0.045
- Light Sky Blue #87CEFA ΔE 0.045
- Light Steel Blue #B0C4DE ΔE 0.045
- Light Blue #ADD8E6 ΔE 0.046
- Light Grey Blue #9DBCD4 ΔE 0.047
Use #90CEDB 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.