#90DBE7
Closest named color: Celeste (#A8DADC). oklch(84.7% 0.076 208.5), rgb(144, 219, 231).
Aa
Black text reads best on this color (13.47:1).
About this color
#90DBE7 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 85%, its chroma 0.076 and its hue 209°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.027 away. Black text reads best on it, at 13.47:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.47:1 |
| White text | 1.55:1 |
Values
| HEX | #90DBE7 |
| RGB | rgb(144, 219, 231) |
| HSL | hsl(188, 64%, 74%) |
| OKLCH | oklch(84.7% 0.076 208.5) |
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 #90DBE7 | 1.55:1 | Fails | Lc -28.9 | Dividers and decoration only |
| Black text on #90DBE7 | 13.47:1 | AAA | Lc 78.3 | Fine for body text |
| #90DBE7 text on white | 1.55:1 | Fails | Lc 25.5 | Dividers and decoration only |
| #90DBE7 text on black | 13.47:1 | AAA | Lc -77.6 | 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)
#90DBE7
oklch(84.7% 0.076 208.5)
-
Step 400
400
#02B5C9
oklch(70.8% 0.122 208.7)
-
Step 500
500
#009BAC
oklch(63.1% 0.109 208.4)
-
Step 600
600
#008291
oklch(55.5% 0.096 208.9)
-
Step 700
700
#006E7A
oklch(49.2% 0.085 207.9)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900
#004B54
oklch(37.8% 0.065 208.5)
-
Step 950
950
#002C32
oklch(26.8% 0.046 208.8)
#90DBE7 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) | #CFD5E8 | 0.074 |
| Deuteranopia (no green cones) | #C0CAE7 | 0.068 |
| Tritanopia (no blue cones) | #6DE1DE | 0.038 |
| Achromatopsia (no color) | #CFCFCF | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90DBE7
#90DBE7
oklch(84.7% 0.076 208.5)
- #FBBAB1
#FBBAB1
oklch(84.6% 0.077 27.7)
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 #90DBE7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.027
- Light Blue #ADD8E6 ΔE 0.031
- Powder Blue #B0E0E6 ΔE 0.039
- Sky Blue #87CEEB ΔE 0.040
- Robin's Egg #6DEDFD ΔE 0.051
- Light Sky Blue #87CEFA ΔE 0.052
- Robin's Egg Blue #98EFF9 ΔE 0.055
- Tiffany Blue #94D2BD ΔE 0.056
Use #90DBE7 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.