#90DAD7
Closest named color: Celeste (#A8DADC). oklch(83.9% 0.074 192.6), rgb(144, 218, 215).
Aa
Black text reads best on this color (13.19:1).
About this color
#90DAD7 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 84%, its chroma 0.074 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.028 away. Black text reads best on it, at 13.19:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.19:1 |
| White text | 1.59:1 |
Values
| HEX | #90DAD7 |
| RGB | rgb(144, 218, 215) |
| HSL | hsl(178, 50%, 71%) |
| OKLCH | oklch(83.9% 0.074 192.6) |
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 #90DAD7 | 1.59:1 | Fails | Lc -30.1 | Non-text elements, placeholder text |
| Black text on #90DAD7 | 13.19:1 | AAA | Lc 77.1 | Fine for body text |
| #90DAD7 text on white | 1.59:1 | Fails | Lc 26.7 | Dividers and decoration only |
| #90DAD7 text on black | 13.19:1 | AAA | Lc -76.3 | 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
#EEF8F7
oklch(97.1% 0.011 189.8)
-
Step 100
100
#DBEFEE
oklch(93.7% 0.021 193.2)
-
Step 200
200
#BBE2E0
oklch(88.4% 0.041 192.6)
-
Step 300
300 (this color)
#90DAD7
oklch(83.9% 0.074 192.6)
-
Step 400
400
#18B7B4
oklch(70.6% 0.118 192.7)
-
Step 500
500
#009E9B
oklch(63.2% 0.108 192.4)
-
Step 600
600
#008582
oklch(55.7% 0.096 192)
-
Step 700
700
#006F6D
oklch(49% 0.084 192.6)
-
Step 800
800
#005B5A
oklch(42.6% 0.073 193.5)
-
Step 900
900
#004C4B
oklch(37.7% 0.064 193.2)
-
Step 950
950
#002D2C
oklch(26.9% 0.046 192.5)
#90DAD7 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) | #D2D3D7 | 0.078 |
| Deuteranopia (no green cones) | #C4C9D8 | 0.073 |
| Tritanopia (no blue cones) | #74DED9 | 0.025 |
| Achromatopsia (no color) | #CDCDCD | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90DAD7
#90DAD7
oklch(83.9% 0.074 192.6)
- #F6B7BD
#F6B7BD
oklch(83.9% 0.073 12.4)
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 #90DAD7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.028
- Tiffany Blue #94D2BD ΔE 0.036
- Light Blue #ADD8E6 ΔE 0.041
- Powder Blue #B0E0E6 ΔE 0.045
- Light Teal #90E4C1 ΔE 0.048
- Sky Blue #87CEEB ΔE 0.051
- Seafoam Blue #78D1B6 ΔE 0.056
- Pale Teal #82CBB2 ΔE 0.061
Use #90DAD7 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.