#90DBE2
Closest named color: Celeste (#A8DADC). oklch(84.5% 0.075 203.3), rgb(144, 219, 226).
Aa
Black text reads best on this color (13.41:1).
About this color
#90DBE2 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 84%, its chroma 0.075 and its hue 203°. 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 13.41:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.41:1 |
| White text | 1.56:1 |
Values
| HEX | #90DBE2 |
| RGB | rgb(144, 219, 226) |
| HSL | hsl(185, 59%, 73%) |
| OKLCH | oklch(84.5% 0.075 203.3) |
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 #90DBE2 | 1.56:1 | Fails | Lc -29.1 | Dividers and decoration only |
| Black text on #90DBE2 | 13.41:1 | AAA | Lc 78.0 | Fine for body text |
| #90DBE2 text on white | 1.56:1 | Fails | Lc 25.7 | Dividers and decoration only |
| #90DBE2 text on black | 13.41:1 | AAA | Lc -77.3 | 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
#EEF8F8
oklch(97.2% 0.011 197)
-
Step 100
100
#DAEEF0
oklch(93.5% 0.021 204)
-
Step 200
200
#BAE2E5
oklch(88.5% 0.042 202)
-
Step 300
300 (this color)
#90DBE2
oklch(84.5% 0.075 203.3)
-
Step 400
400
#07B6C2
oklch(70.8% 0.12 203.2)
-
Step 500
500
#009CA7
oklch(63.1% 0.108 203.6)
-
Step 600
600
#00838C
oklch(55.6% 0.095 203.3)
-
Step 700
700
#006E76
oklch(49.1% 0.084 203.6)
-
Step 800
800
#005A61
oklch(42.6% 0.073 204)
-
Step 900
900
#004B51
oklch(37.6% 0.064 204)
-
Step 950
950
#002D30
oklch(27% 0.046 201.8)
#90DBE2 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) | #D0D5E3 | 0.075 |
| Deuteranopia (no green cones) | #C2CAE2 | 0.070 |
| Tritanopia (no blue cones) | #6FE1DD | 0.034 |
| Achromatopsia (no color) | #CFCFCF | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90DBE2
#90DBE2
oklch(84.5% 0.075 203.3)
- #FABAB5
#FABAB5
oklch(84.6% 0.075 23.8)
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 #90DBE2, 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 0.033
- Powder Blue #B0E0E6 ΔE 0.039
- Sky Blue #87CEEB ΔE 0.043
- Tiffany Blue #94D2BD ΔE 0.050
- Robin's Egg #6DEDFD ΔE 0.053
- Robin's Egg Blue #98EFF9 ΔE 0.057
- Light Sky Blue #87CEFA ΔE 0.058
Use #90DBE2 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.