#90CFE4
Closest named color: Sky Blue (#87CEEB). oklch(81.9% 0.07 220.7), rgb(144, 207, 228).
Aa
Black text reads best on this color (12.23:1).
About this color
#90CFE4 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 82%, its chroma 0.070 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.014 away. Black text reads best on it, at 12.23:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 12.23:1 |
| White text | 1.71:1 |
Values
| HEX | #90CFE4 |
| RGB | rgb(144, 207, 228) |
| HSL | hsl(195, 61%, 73%) |
| OKLCH | oklch(81.9% 0.07 220.7) |
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 #90CFE4 | 1.71:1 | Fails | Lc -34.7 | Non-text elements, placeholder text |
| Black text on #90CFE4 | 12.23:1 | AAA | Lc 73.0 | Content text, not long reading |
| #90CFE4 text on white | 1.71:1 | Fails | Lc 30.8 | Non-text elements, placeholder text |
| #90CFE4 text on black | 12.23:1 | AAA | Lc -71.9 | 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
#DCEDF3
oklch(93.5% 0.02 220.9)
-
Step 200
200
#BEE0EB
oklch(88.6% 0.039 219.3)
-
Step 300
300 (this color)
#90CFE4
oklch(81.9% 0.07 220.7)
-
Step 400
400
#3AB0D2
oklch(70.7% 0.113 221.3)
-
Step 500
500
#0099BA
oklch(63.2% 0.115 220.3)
-
Step 600
600
#00809D
oklch(55.6% 0.102 221.1)
-
Step 700
700
#006C84
oklch(49.2% 0.09 220.2)
-
Step 800
800
#00586D
oklch(42.6% 0.078 221.3)
-
Step 900
900
#004A5B
oklch(37.8% 0.069 219.8)
-
Step 950
950
#002C37
oklch(27.1% 0.049 219.4)
#90CFE4 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) | #C2CBE5 | 0.059 |
| Deuteranopia (no green cones) | #B5C1E4 | 0.054 |
| Tritanopia (no blue cones) | #70D6D5 | 0.045 |
| Achromatopsia (no color) | #C6C6C6 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90CFE4
#90CFE4
oklch(81.9% 0.07 220.7)
- #EDB5A1
#EDB5A1
oklch(81.9% 0.071 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 #90CFE4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.014
- Light Sky Blue #87CEFA ΔE 0.033
- Light Cornflower Blue #98C1D9 ΔE 0.036
- Lightblue #7BC8F6 ΔE 0.042
- Cloudy Blue #ACC2D9 ΔE 0.042
- Sky #82CAFC ΔE 0.043
- Light Blue #ADD8E6 ΔE 0.043
- Light Steel Blue #B0C4DE ΔE 0.043
Use #90CFE4 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.