#90D7EF
Closest named color: Sky Blue (#87CEEB). oklch(84.1% 0.078 221.2), rgb(144, 215, 239).
Aa
Black text reads best on this color (13.15:1).
About this color
#90D7EF is a light, moderately saturated teal or cyan. In OKLCH its lightness is 84%, its chroma 0.078 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.027 away. Black text reads best on it, at 13.15:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 13.15:1 |
| White text | 1.59:1 |
Values
| HEX | #90D7EF |
| RGB | rgb(144, 215, 239) |
| HSL | hsl(195, 75%, 75%) |
| OKLCH | oklch(84.1% 0.078 221.2) |
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 #90D7EF | 1.59:1 | Fails | Lc -30.3 | Non-text elements, placeholder text |
| Black text on #90D7EF | 13.15:1 | AAA | Lc 76.9 | Fine for body text |
| #90D7EF text on white | 1.59:1 | Fails | Lc 26.9 | Dividers and decoration only |
| #90D7EF text on black | 13.15:1 | AAA | Lc -76.1 | 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
#EEF7FA
oklch(97% 0.01 219.6)
-
Step 100
100
#DAEEF5
oklch(93.6% 0.023 220.7)
-
Step 200
200
#BBE0EE
oklch(88.5% 0.043 222.8)
-
Step 300
300 (this color)
#90D7EF
oklch(84.1% 0.078 221.2)
-
Step 400
400
#1CB1D7
oklch(70.6% 0.125 221.3)
-
Step 500
500
#0098BB
oklch(63% 0.116 221.8)
-
Step 600
600
#00809D
oklch(55.6% 0.102 221.1)
-
Step 700
700
#006C85
oklch(49.2% 0.09 221.2)
-
Step 800
800
#00586D
oklch(42.6% 0.078 221.3)
-
Step 900
900
#00495B
oklch(37.6% 0.069 221.4)
-
Step 950
950
#002C37
oklch(27.1% 0.049 219.4)
#90D7EF 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) | #C9D3F0 | 0.066 |
| Deuteranopia (no green cones) | #BAC8EF | 0.059 |
| Tritanopia (no blue cones) | #6ADFDE | 0.050 |
| Achromatopsia (no color) | #CDCDCD | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90D7EF
#90D7EF
oklch(84.1% 0.078 221.2)
- #F8BAA4
#F8BAA4
oklch(84% 0.078 40.4)
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 #90D7EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.027
- Light Blue #ADD8E6 ΔE 0.033
- Light Sky Blue #87CEFA ΔE 0.035
- Celeste #A8DADC ΔE 0.038
- Baby Blue #A2CFFE ΔE 0.040
- Powder Blue #B0E0E6 ΔE 0.048
- Sky #82CAFC ΔE 0.048
- Lightblue #7BC8F6 ΔE 0.052
Use #90D7EF 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.