#90DAE7
Closest named color: Celeste (#A8DADC). oklch(84.4% 0.075 209.7), rgb(144, 218, 231).
Aa
Black text reads best on this color (13.36:1).
About this color
#90DAE7 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 84%, its chroma 0.075 and its hue 210°. 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 13.36:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.36:1 |
| White text | 1.57:1 |
Values
| HEX | #90DAE7 |
| RGB | rgb(144, 218, 231) |
| HSL | hsl(189, 64%, 74%) |
| OKLCH | oklch(84.4% 0.075 209.7) |
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 #90DAE7 | 1.57:1 | Fails | Lc -29.4 | Dividers and decoration only |
| Black text on #90DAE7 | 13.36:1 | AAA | Lc 77.8 | Fine for body text |
| #90DAE7 text on white | 1.57:1 | Fails | Lc 26.0 | Dividers and decoration only |
| #90DAE7 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
#EEF7F9
oklch(97% 0.01 212.5)
-
Step 100
100
#DAEEF2
oklch(93.6% 0.022 211)
-
Step 200
200
#BAE1E8
oklch(88.4% 0.042 209.7)
-
Step 300
300 (this color)
#90DAE7
oklch(84.4% 0.075 209.7)
-
Step 400
400
#0CB4CA
oklch(70.6% 0.121 210.3)
-
Step 500
500
#009BAD
oklch(63.1% 0.109 209.2)
-
Step 600
600
#008292
oklch(55.6% 0.096 209.8)
-
Step 700
700
#006D7B
oklch(49% 0.085 210.2)
-
Step 800
800
#005A65
oklch(42.8% 0.074 209.1)
-
Step 900
900
#004B54
oklch(37.8% 0.065 208.5)
-
Step 950
950
#002C33
oklch(26.9% 0.047 211.1)
#90DAE7 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) | #CED5E8 | 0.072 |
| Deuteranopia (no green cones) | #BFCAE7 | 0.065 |
| Tritanopia (no blue cones) | #6DE0DE | 0.038 |
| Achromatopsia (no color) | #CECECE | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90DAE7
#90DAE7
oklch(84.4% 0.075 209.7)
- #F9BAAF
#F9BAAF
oklch(84.4% 0.075 29.9)
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 #90DAE7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.028
- Light Blue #ADD8E6 ΔE 0.031
- Sky Blue #87CEEB ΔE 0.037
- Powder Blue #B0E0E6 ΔE 0.040
- Light Sky Blue #87CEFA ΔE 0.050
- Robin's Egg #6DEDFD ΔE 0.053
- Baby Blue #A2CFFE ΔE 0.054
- Tiffany Blue #94D2BD ΔE 0.056
Use #90DAE7 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.