#90D3DE
Closest named color: Sky Blue (#87CEEB). oklch(82.6% 0.069 208.8), rgb(144, 211, 222).
Aa
Black text reads best on this color (12.55:1).
About this color
#90D3DE is a light, muted teal or cyan. In OKLCH its lightness is 83%, its chroma 0.069 and its hue 209°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.028 away. Black text reads best on it, at 12.55:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 12.55:1 |
| White text | 1.67:1 |
Values
| HEX | #90D3DE |
| RGB | rgb(144, 211, 222) |
| HSL | hsl(188, 54%, 72%) |
| OKLCH | oklch(82.6% 0.069 208.8) |
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 #90D3DE | 1.67:1 | Fails | Lc -33.1 | Non-text elements, placeholder text |
| Black text on #90D3DE | 12.55:1 | AAA | Lc 74.4 | Content text, not long reading |
| #90D3DE text on white | 1.67:1 | Fails | Lc 29.4 | Dividers and decoration only |
| #90D3DE text on black | 12.55:1 | AAA | Lc -73.4 | 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
#DBEEF1
oklch(93.6% 0.021 208.1)
-
Step 200
200
#BDE1E7
oklch(88.6% 0.039 208.8)
-
Step 300
300 (this color)
#90D3DE
oklch(82.6% 0.069 208.8)
-
Step 400
400
#31B3C5
oklch(70.6% 0.11 208.8)
-
Step 500
500
#009BAC
oklch(63.1% 0.109 208.4)
-
Step 600
600
#008291
oklch(55.5% 0.096 208.9)
-
Step 700
700
#006D7A
oklch(49% 0.084 209.1)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900
#004B54
oklch(37.8% 0.065 208.5)
-
Step 950
950
#002C32
oklch(26.8% 0.046 208.8)
#90D3DE 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) | #C8CEDF | 0.067 |
| Deuteranopia (no green cones) | #BBC4DE | 0.061 |
| Tritanopia (no blue cones) | #72D9D6 | 0.036 |
| Achromatopsia (no color) | #C8C8C8 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90D3DE
#90D3DE
oklch(82.6% 0.069 208.8)
- #F0B6AD
#F0B6AD
oklch(82.7% 0.069 28.7)
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 #90D3DE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.028
- Celeste #A8DADC ΔE 0.035
- Light Blue #ADD8E6 ΔE 0.038
- Tiffany Blue #94D2BD ΔE 0.046
- Light Sky Blue #87CEFA ΔE 0.047
- Light Cornflower Blue #98C1D9 ΔE 0.047
- Cloudy Blue #ACC2D9 ΔE 0.051
- Light Steel Blue #B0C4DE ΔE 0.052
Use #90D3DE 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.