#81FDCF
Closest named color: Aquamarine (#7FFFD4). oklch(91% 0.13 167), rgb(129, 253, 207).
Aa
Black text reads best on this color (16.88:1).
About this color
#81FDCF is a very light, moderately saturated green. In OKLCH its lightness is 91%, its chroma 0.130 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Aquamarine (#7FFFD4), ΔE 0.007 away. Black text reads best on it, at 16.88:1.
| Hue family | Greens |
| Lightness | very light (91%) |
| Chroma | moderately saturated (0.130) |
| Temperature | in between |
| Nearest name | Aquamarine (#7FFFD4) |
| Black text | 16.88:1 |
| White text | 1.24:1 |
Values
| HEX | #81FDCF |
| RGB | rgb(129, 253, 207) |
| HSL | hsl(158, 97%, 75%) |
| OKLCH | oklch(91% 0.13 167) |
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 #81FDCF | 1.24:1 | Fails | Lc -13.7 | Not readable |
| Black text on #81FDCF | 16.88:1 | AAA | Lc 91.7 | Preferred for body text |
| #81FDCF text on white | 1.24:1 | Fails | Lc 11.9 | Not readable |
| #81FDCF text on black | 16.88:1 | AAA | Lc -92.1 | 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 200.
-
Step 50
50
#E8FBF2
oklch(97.2% 0.023 165.9)
-
Step 100
100
#CCF5E3
oklch(93.6% 0.049 166.9)
-
Step 200
200 (this color)
#81FDCF
oklch(91% 0.13 167)
-
Step 300
300
#00E2AA
oklch(81% 0.166 167)
-
Step 400
400
#00BC8D
oklch(70.6% 0.145 167)
-
Step 500
500
#00A279
oklch(63.2% 0.13 167)
-
Step 600
600
#008865
oklch(55.6% 0.114 167)
-
Step 700
700
#007254
oklch(49% 0.101 166.9)
-
Step 800
800
#005E45
oklch(42.8% 0.088 167.1)
-
Step 900
900
#004E39
oklch(37.6% 0.077 167.4)
-
Step 950
950
#002F21
oklch(27.1% 0.055 167.3)
#81FDCF 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) | #F8EFCD | 0.130 |
| Deuteranopia (no green cones) | #E5E1D2 | 0.125 |
| Tritanopia (no blue cones) | #54FEF0 | 0.048 |
| Achromatopsia (no color) | #E6E6E6 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81FDCF
#81FDCF
oklch(91% 0.13 167)
- #FFD3E9
#FFD3E9
oklch(91.1% 0.057 346.7)
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 #81FDCF, closest first.
No curated palette has a color within ΔE 0.04 of #81FDCF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aquamarine #7FFFD4 ΔE 0.007
- Light Aquamarine #7BFDC7 ΔE 0.012
- Light Aqua #8CFFDB ΔE 0.020
- Light Turquoise #7EF4CC ΔE 0.024
- Light Seafoam #A0FEBF ΔE 0.032
- Light Blue Green #7EFBB3 ΔE 0.036
- Seafoam #80F9AD ΔE 0.042
- Light Mint Green #A6FBB2 ΔE 0.043
Use #81FDCF 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.