#81FACF
Closest named color: Aquamarine (#7FFFD4). oklch(90.3% 0.126 168), rgb(129, 250, 207).
Aa
Black text reads best on this color (16.50:1).
About this color
#81FACF is a very light, moderately saturated green. In OKLCH its lightness is 90%, its chroma 0.126 and its hue 168°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Aquamarine (#7FFFD4), ΔE 0.013 away. Black text reads best on it, at 16.50:1.
| Hue family | Greens |
| Lightness | very light (90%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Aquamarine (#7FFFD4) |
| Black text | 16.50:1 |
| White text | 1.27:1 |
Values
| HEX | #81FACF |
| RGB | rgb(129, 250, 207) |
| HSL | hsl(159, 92%, 74%) |
| OKLCH | oklch(90.3% 0.126 168) |
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 #81FACF | 1.27:1 | Fails | Lc -15.3 | Dividers and decoration only |
| Black text on #81FACF | 16.50:1 | AAA | Lc 90.3 | Preferred for body text |
| #81FACF text on white | 1.27:1 | Fails | Lc 13.3 | Not readable |
| #81FACF text on black | 16.50:1 | AAA | Lc -90.6 | 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
#E8FAF3
oklch(97% 0.021 170.6)
-
Step 100
100
#CDF5E4
oklch(93.7% 0.047 167.7)
-
Step 200
200 (this color)
#81FACF
oklch(90.3% 0.126 168)
-
Step 300
300
#0FE1AC
oklch(80.9% 0.162 167.9)
-
Step 400
400
#00BC8F
oklch(70.6% 0.143 168)
-
Step 500
500
#00A17A
oklch(63% 0.128 168)
-
Step 600
600
#008867
oklch(55.7% 0.112 168.2)
-
Step 700
700
#007256
oklch(49% 0.099 168.4)
-
Step 800
800
#005E46
oklch(42.8% 0.087 168)
-
Step 900
900
#004E3A
oklch(37.7% 0.076 168.5)
-
Step 950
950
#002F21
oklch(27.1% 0.055 167.3)
#81FACF 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) | #F5ECCD | 0.128 |
| Deuteranopia (no green cones) | #E2DED2 | 0.123 |
| Tritanopia (no blue cones) | #55FBEE | 0.046 |
| Achromatopsia (no color) | #E4E4E4 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81FACF
#81FACF
oklch(90.3% 0.126 168)
- #FFCFE6
#FFCFE6
oklch(90.2% 0.061 348)
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 #81FACF, closest first.
No curated palette has a color within ΔE 0.04 of #81FACF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aquamarine #7FFFD4 ΔE 0.013
- Light Aquamarine #7BFDC7 ΔE 0.016
- Light Turquoise #7EF4CC ΔE 0.016
- Light Aqua #8CFFDB ΔE 0.022
- Light Seafoam #A0FEBF ΔE 0.036
- Light Blue Green #7EFBB3 ΔE 0.038
- Seafoam #80F9AD ΔE 0.044
- Light Mint Green #A6FBB2 ΔE 0.046
Use #81FACF 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.