#90DBDD
Closest named color: Celeste (#A8DADC). oklch(84.3% 0.074 198), rgb(144, 219, 221).
Aa
Black text reads best on this color (13.36:1).
About this color
#90DBDD is a light, moderately saturated teal or cyan. In OKLCH its lightness is 84%, its chroma 0.074 and its hue 198°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.025 away. Black text reads best on it, at 13.36:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.36:1 |
| White text | 1.57:1 |
Values
| HEX | #90DBDD |
| RGB | rgb(144, 219, 221) |
| HSL | hsl(182, 53%, 72%) |
| OKLCH | oklch(84.3% 0.074 198) |
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 #90DBDD | 1.57:1 | Fails | Lc -29.4 | Dividers and decoration only |
| Black text on #90DBDD | 13.36:1 | AAA | Lc 77.8 | Fine for body text |
| #90DBDD text on white | 1.57:1 | Fails | Lc 26.0 | Dividers and decoration only |
| #90DBDD text on black | 13.36:1 | AAA | Lc -77.1 | 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
#EEF8F8
oklch(97.2% 0.011 197)
-
Step 100
100
#DAEFEF
oklch(93.7% 0.022 196.8)
-
Step 200
200
#BAE2E3
oklch(88.5% 0.042 198.3)
-
Step 300
300 (this color)
#90DBDD
oklch(84.3% 0.074 198)
-
Step 400
400
#0CB7BB
oklch(70.8% 0.119 197.6)
-
Step 500
500
#009DA1
oklch(63.2% 0.107 198)
-
Step 600
600
#008487
oklch(55.6% 0.095 197.6)
-
Step 700
700
#006F72
oklch(49.2% 0.084 198.1)
-
Step 800
800
#005B5D
oklch(42.7% 0.073 197.4)
-
Step 900
900
#004C4E
oklch(37.8% 0.064 197.8)
-
Step 950
950
#002D2E
oklch(27% 0.046 197.1)
#90DBDD 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) | #D1D4DD | 0.077 |
| Deuteranopia (no green cones) | #C3CADE | 0.071 |
| Tritanopia (no blue cones) | #71E0DB | 0.030 |
| Achromatopsia (no color) | #CECECE | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90DBDD
#90DBDD
oklch(84.3% 0.074 198)
- #F9B9B9
#F9B9B9
oklch(84.4% 0.074 18.7)
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 #90DBDD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.025
- Light Blue #ADD8E6 ΔE 0.036
- Powder Blue #B0E0E6 ΔE 0.041
- Tiffany Blue #94D2BD ΔE 0.043
- Sky Blue #87CEEB ΔE 0.048
- Light Teal #90E4C1 ΔE 0.053
- Robin's Egg #6DEDFD ΔE 0.056
- Robin's Egg Blue #98EFF9 ΔE 0.059
Use #90DBDD 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.