#90DFEA
Closest named color: Celeste (#A8DADC). oklch(85.6% 0.079 207), rgb(144, 223, 234).
Aa
Black text reads best on this color (13.92:1).
About this color
#90DFEA is a light, moderately saturated teal or cyan. In OKLCH its lightness is 86%, its chroma 0.079 and its hue 207°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.029 away. Black text reads best on it, at 13.92:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.92:1 |
| White text | 1.50:1 |
Values
| HEX | #90DFEA |
| RGB | rgb(144, 223, 234) |
| HSL | hsl(187, 68%, 74%) |
| OKLCH | oklch(85.6% 0.079 207) |
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 #90DFEA | 1.50:1 | Fails | Lc -26.8 | Dividers and decoration only |
| Black text on #90DFEA | 13.92:1 | AAA | Lc 80.1 | Fine for body text |
| #90DFEA text on white | 1.50:1 | Fails | Lc 23.6 | Dividers and decoration only |
| #90DFEA text on black | 13.92:1 | AAA | Lc -79.6 | 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 200.
-
Step 50
50
#ECF8FA
oklch(97.1% 0.013 208.8)
-
Step 100
100
#D4F0F4
oklch(93.6% 0.03 207.1)
-
Step 200
200 (this color)
#90DFEA
oklch(85.6% 0.079 207)
-
Step 300
300
#67D3E2
oklch(80.9% 0.101 207.5)
-
Step 400
400
#00B5C7
oklch(70.7% 0.121 207.4)
-
Step 500
500
#009BAA
oklch(63% 0.108 206.9)
-
Step 600
600
#00838F
oklch(55.7% 0.095 206.1)
-
Step 700
700
#006E79
oklch(49.2% 0.084 206.9)
-
Step 800
800
#005A63
oklch(42.7% 0.073 206.6)
-
Step 900
900
#004B53
oklch(37.7% 0.065 207)
-
Step 950
950
#002D32
oklch(27.1% 0.046 206.3)
#90DFEA 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) | #D3D9EB | 0.077 |
| Deuteranopia (no green cones) | #C4CDEA | 0.072 |
| Tritanopia (no blue cones) | #6BE5E2 | 0.038 |
| Achromatopsia (no color) | #D2D2D2 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90DFEA
#90DFEA
oklch(85.6% 0.079 207)
- #FFBDB5
#FFBDB5
oklch(85.7% 0.078 26.6)
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 #90DFEA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.029
- Light Blue #ADD8E6 ΔE 0.033
- Powder Blue #B0E0E6 ΔE 0.034
- Robin's Egg #6DEDFD ΔE 0.043
- Robin's Egg Blue #98EFF9 ΔE 0.045
- Robin Egg Blue #8AF1FE ΔE 0.048
- Sky Blue #87CEEB ΔE 0.049
- Pale Turquoise #AFEEEE ΔE 0.055
Use #90DFEA 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.