#90D7E4
Closest named color: Celeste (#A8DADC). oklch(83.7% 0.073 210.3), rgb(144, 215, 228).
Aa
Black text reads best on this color (13.02:1).
About this color
#90D7E4 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 84%, its chroma 0.073 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.030 away. Black text reads best on it, at 13.02:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.02:1 |
| White text | 1.61:1 |
Values
| HEX | #90D7E4 |
| RGB | rgb(144, 215, 228) |
| HSL | hsl(189, 61%, 73%) |
| OKLCH | oklch(83.7% 0.073 210.3) |
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 #90D7E4 | 1.61:1 | Fails | Lc -30.9 | Non-text elements, placeholder text |
| Black text on #90D7E4 | 13.02:1 | AAA | Lc 76.4 | Fine for body text |
| #90D7E4 text on white | 1.61:1 | Fails | Lc 27.4 | Dividers and decoration only |
| #90D7E4 text on black | 13.02:1 | AAA | Lc -75.6 | 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 300.
-
Step 50
50
#EEF7F9
oklch(97% 0.01 212.5)
-
Step 100
100
#DBEEF2
oklch(93.6% 0.021 211.8)
-
Step 200
200
#BBE1E8
oklch(88.5% 0.041 210)
-
Step 300
300 (this color)
#90D7E4
oklch(83.7% 0.073 210.3)
-
Step 400
400
#20B4C9
oklch(70.8% 0.117 210.1)
-
Step 500
500
#009BAE
oklch(63.2% 0.109 210)
-
Step 600
600
#008293
oklch(55.6% 0.096 210.7)
-
Step 700
700
#006D7B
oklch(49% 0.085 210.2)
-
Step 800
800
#005A65
oklch(42.8% 0.074 209.1)
-
Step 900
900
#004B55
oklch(37.8% 0.065 210)
-
Step 950
950
#002C33
oklch(26.9% 0.047 211.1)
#90D7E4 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) | #CBD2E5 | 0.069 |
| Deuteranopia (no green cones) | #BDC7E4 | 0.064 |
| Tritanopia (no blue cones) | #6FDDDB | 0.038 |
| Achromatopsia (no color) | #CCCCCC | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90D7E4
#90D7E4
oklch(83.7% 0.073 210.3)
- #F5B8AD
#F5B8AD
oklch(83.6% 0.073 30.3)
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 #90D7E4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.030
- Sky Blue #87CEEB ΔE 0.032
- Light Blue #ADD8E6 ΔE 0.032
- Powder Blue #B0E0E6 ΔE 0.045
- Light Sky Blue #87CEFA ΔE 0.047
- Tiffany Blue #94D2BD ΔE 0.052
- Baby Blue #A2CFFE ΔE 0.053
- Light Blue Grey #B7C9E2 ΔE 0.054
Use #90D7E4 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.