#90D4EA
Closest named color: Sky Blue (#87CEEB). oklch(83.2% 0.075 220.2), rgb(144, 212, 234).
Aa
Black text reads best on this color (12.79:1).
About this color
#90D4EA is a light, moderately saturated teal or cyan. In OKLCH its lightness is 83%, its chroma 0.075 and its hue 220°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.020 away. Black text reads best on it, at 12.79:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 12.79:1 |
| White text | 1.64:1 |
Values
| HEX | #90D4EA |
| RGB | rgb(144, 212, 234) |
| HSL | hsl(195, 68%, 74%) |
| OKLCH | oklch(83.2% 0.075 220.2) |
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 #90D4EA | 1.64:1 | Fails | Lc -32.0 | Non-text elements, placeholder text |
| Black text on #90D4EA | 12.79:1 | AAA | Lc 75.4 | Fine for body text |
| #90D4EA text on white | 1.64:1 | Fails | Lc 28.4 | Dividers and decoration only |
| #90D4EA text on black | 12.79:1 | AAA | Lc -74.5 | Content text, not long reading |
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
#EFF7FA
oklch(97.1% 0.009 222.1)
-
Step 100
100
#DBEEF4
oklch(93.7% 0.022 218.6)
-
Step 200
200
#BCE0EC
oklch(88.5% 0.041 220)
-
Step 300
300 (this color)
#90D4EA
oklch(83.2% 0.075 220.2)
-
Step 400
400
#2AB1D4
oklch(70.6% 0.12 220.3)
-
Step 500
500
#0099B9
oklch(63.1% 0.115 219.7)
-
Step 600
600
#00809C
oklch(55.5% 0.101 220.3)
-
Step 700
700
#006C84
oklch(49.2% 0.09 220.2)
-
Step 800
800
#00586C
oklch(42.6% 0.078 220.2)
-
Step 900
900
#004A5B
oklch(37.8% 0.069 219.8)
-
Step 950
950
#002C37
oklch(27.1% 0.049 219.4)
#90D4EA 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) | #C6D0EB | 0.063 |
| Deuteranopia (no green cones) | #B8C5EA | 0.058 |
| Tritanopia (no blue cones) | #6DDCDB | 0.047 |
| Achromatopsia (no color) | #CACACA | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90D4EA
#90D4EA
oklch(83.2% 0.075 220.2)
- #F3B8A3
#F3B8A3
oklch(83.1% 0.075 40.5)
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 #90D4EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.020
- Light Sky Blue #87CEFA ΔE 0.033
- Light Blue #ADD8E6 ΔE 0.035
- Celeste #A8DADC ΔE 0.039
- Baby Blue #A2CFFE ΔE 0.041
- Sky #82CAFC ΔE 0.046
- Lightblue #7BC8F6 ΔE 0.048
- Light Blue Grey #B7C9E2 ΔE 0.049
Use #90D4EA 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.