#90FCF4
Closest named color: Robin Egg Blue (#8AF1FE). oklch(92.4% 0.101 189.4), rgb(144, 252, 244).
Aa
Black text reads best on this color (17.41:1).
About this color
#90FCF4 is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 92%, its chroma 0.101 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Robin Egg Blue (#8AF1FE), ΔE 0.038 away. Black text reads best on it, at 17.41:1.
| Hue family | Teals and cyans |
| Lightness | very light (92%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Robin Egg Blue (#8AF1FE) |
| Black text | 17.41:1 |
| White text | 1.20:1 |
Values
| HEX | #90FCF4 |
| RGB | rgb(144, 252, 244) |
| HSL | hsl(176, 95%, 78%) |
| OKLCH | oklch(92.4% 0.101 189.4) |
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 #90FCF4 | 1.20:1 | Fails | Lc -11.6 | Not readable |
| Black text on #90FCF4 | 17.41:1 | AAA | Lc 93.6 | Preferred for body text |
| #90FCF4 text on white | 1.20:1 | Fails | Lc 9.9 | Not readable |
| #90FCF4 text on black | 17.41:1 | AAA | Lc -94.2 | Preferred 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 100.
-
Step 50
50
#E9F9F8
oklch(97% 0.017 192.4)
-
Step 100
100 (this color)
#90FCF4
oklch(92.4% 0.101 189.4)
-
Step 200
200
#A1E9E3
oklch(88.5% 0.072 189.4)
-
Step 300
300
#35DBD2
oklch(80.9% 0.13 189.3)
-
Step 400
400
#00B8B1
oklch(70.6% 0.122 190)
-
Step 500
500
#009E97
oklch(63.1% 0.109 189.2)
-
Step 600
600
#00857F
oklch(55.6% 0.096 189.2)
-
Step 700
700
#00706B
oklch(49.2% 0.085 189.4)
-
Step 800
800
#005C57
oklch(42.8% 0.074 188.4)
-
Step 900
900
#004C49
oklch(37.6% 0.065 190.2)
-
Step 950
950
#002E2B
oklch(27.1% 0.047 188)
#90FCF4 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) | #F1F2F4 | 0.107 |
| Deuteranopia (no green cones) | #DEE4F5 | 0.100 |
| Tritanopia (no blue cones) | #5FFFF9 | 0.033 |
| Achromatopsia (no color) | #EAEAEA | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90FCF4
#90FCF4
oklch(92.4% 0.101 189.4)
- #FFDCE0
#FFDCE0
oklch(92.5% 0.039 10.1)
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 #90FCF4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin Egg Blue #8AF1FE ΔE 0.038
- Robin's Egg Blue #98EFF9 ΔE 0.038
- Light Aqua #8CFFDB ΔE 0.038
- Pale Cyan #B7FFFA ΔE 0.041
- Pale Aqua #B8FFEB ΔE 0.041
- Pale Turquoise #AFEEEE ΔE 0.043
- Bright Cyan #41FDFE ΔE 0.047
- Duck Egg Blue #C3FBF4 ΔE 0.050
Use #90FCF4 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.