#90D6DF
Closest named color: Celeste (#A8DADC). oklch(83.3% 0.071 206.1), rgb(144, 214, 223).
Aa
Black text reads best on this color (12.87:1).
About this color
#90D6DF is a light, moderately saturated teal or cyan. In OKLCH its lightness is 83%, its chroma 0.071 and its hue 206°. 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 12.87:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 12.87:1 |
| White text | 1.63:1 |
Values
| HEX | #90D6DF |
| RGB | rgb(144, 214, 223) |
| HSL | hsl(187, 55%, 72%) |
| OKLCH | oklch(83.3% 0.071 206.1) |
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 #90D6DF | 1.63:1 | Fails | Lc -31.7 | Non-text elements, placeholder text |
| Black text on #90D6DF | 12.87:1 | AAA | Lc 75.7 | Fine for body text |
| #90D6DF text on white | 1.63:1 | Fails | Lc 28.1 | Dividers and decoration only |
| #90D6DF text on black | 12.87:1 | AAA | Lc -74.8 | 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
#EFF7F9
oklch(97.1% 0.009 214.3)
-
Step 100
100
#DBEEF1
oklch(93.6% 0.021 208.1)
-
Step 200
200
#BCE1E6
oklch(88.5% 0.039 206.5)
-
Step 300
300 (this color)
#90D6DF
oklch(83.3% 0.071 206.1)
-
Step 400
400
#26B4C3
oklch(70.6% 0.114 206.1)
-
Step 500
500
#009BA9
oklch(63% 0.108 206.1)
-
Step 600
600
#00838F
oklch(55.7% 0.095 206.1)
-
Step 700
700
#006E78
oklch(49.1% 0.084 205.8)
-
Step 800
800
#005A63
oklch(42.7% 0.073 206.6)
-
Step 900
900
#004B52
oklch(37.7% 0.064 205.5)
-
Step 950
950
#002D31
oklch(27.1% 0.046 204.1)
#90D6DF 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) | #CBD0E0 | 0.070 |
| Deuteranopia (no green cones) | #BEC6DF | 0.065 |
| Tritanopia (no blue cones) | #71DCD9 | 0.034 |
| Achromatopsia (no color) | #CACACA | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90D6DF
#90D6DF
oklch(83.3% 0.071 206.1)
- #F3B7B0
#F3B7B0
oklch(83.2% 0.071 26.3)
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 #90D6DF, 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 0.034
- Light Blue #ADD8E6 ΔE 0.035
- Tiffany Blue #94D2BD ΔE 0.045
- Powder Blue #B0E0E6 ΔE 0.047
- Light Sky Blue #87CEFA ΔE 0.051
- Light Blue Grey #B7C9E2 ΔE 0.055
- Light Cornflower Blue #98C1D9 ΔE 0.055
Use #90D6DF 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.