#90FFCF
Closest named color: Aquamarine (#7FFFD4). oklch(92.1% 0.123 164.1), rgb(144, 255, 207).
Aa
Black text reads best on this color (17.39:1).
About this color
#90FFCF is a very light, moderately saturated green. In OKLCH its lightness is 92%, its chroma 0.123 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Aquamarine (#7FFFD4), ΔE 0.014 away. Black text reads best on it, at 17.39:1.
| Hue family | Greens |
| Lightness | very light (92%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Aquamarine (#7FFFD4) |
| Black text | 17.39:1 |
| White text | 1.20:1 |
Values
| HEX | #90FFCF |
| RGB | rgb(144, 255, 207) |
| HSL | hsl(154, 100%, 78%) |
| OKLCH | oklch(92.1% 0.123 164.1) |
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 #90FFCF | 1.20:1 | Fails | Lc -11.7 | Not readable |
| Black text on #90FFCF | 17.39:1 | AAA | Lc 93.6 | Preferred for body text |
| #90FFCF text on white | 1.20:1 | Fails | Lc 10.0 | Not readable |
| #90FFCF text on black | 17.39:1 | AAA | Lc -94.1 | 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
#E9FAF2
oklch(97% 0.021 166.1)
-
Step 100
100 (this color)
#90FFCF
oklch(92.1% 0.123 164.1)
-
Step 200
200
#A2ECCA
oklch(88.5% 0.088 164.2)
-
Step 300
300
#38E0A5
oklch(80.9% 0.159 164.1)
-
Step 400
400
#00BD87
oklch(70.7% 0.15 164.1)
-
Step 500
500
#00A273
oklch(63.1% 0.134 164)
-
Step 600
600
#008860
oklch(55.5% 0.118 164)
-
Step 700
700
#007351
oklch(49.2% 0.104 164.3)
-
Step 800
800
#005E41
oklch(42.7% 0.091 163.9)
-
Step 900
900
#004F36
oklch(37.9% 0.081 163.8)
-
Step 950
950
#002F1F
oklch(27% 0.057 164.4)
#90FFCF 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) | #FBF1CD | 0.121 |
| Deuteranopia (no green cones) | #EAE5D2 | 0.117 |
| Tritanopia (no blue cones) | #70FFF1 | 0.048 |
| Achromatopsia (no color) | #EAEAEA | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90FFCF
#90FFCF
oklch(92.1% 0.123 164.1)
- #FFD8ED
#FFD8ED
oklch(92.1% 0.051 344.5)
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 #90FFCF, closest first.
No curated palette has a color within ΔE 0.04 of #90FFCF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aquamarine #7FFFD4 ΔE 0.014
- Light Aqua #8CFFDB ΔE 0.016
- Light Aquamarine #7BFDC7 ΔE 0.022
- Light Seafoam #A0FEBF ΔE 0.022
- Light Turquoise #7EF4CC ΔE 0.035
- Light Seafoam Green #A7FFB5 ΔE 0.036
- Light Mint Green #A6FBB2 ΔE 0.036
- Mint #9FFEB0 ΔE 0.039
Use #90FFCF 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.