#81FCEF
Closest named color: Light Aqua (#8CFFDB). oklch(91.6% 0.113 186.4), rgb(129, 252, 239).
Aa
Black text reads best on this color (17.10:1).
About this color
#81FCEF is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 92%, its chroma 0.113 and its hue 186°. Its hue sits on the cool side of the wheel. The nearest named color is Light Aqua (#8CFFDB), ΔE 0.031 away. Black text reads best on it, at 17.10:1.
| Hue family | Teals and cyans |
| Lightness | very light (92%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Light Aqua (#8CFFDB) |
| Black text | 17.10:1 |
| White text | 1.22:1 |
Values
| HEX | #81FCEF |
| RGB | rgb(129, 252, 239) |
| HSL | hsl(174, 95%, 75%) |
| OKLCH | oklch(91.6% 0.113 186.4) |
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 #81FCEF | 1.22:1 | Fails | Lc -12.8 | Not readable |
| Black text on #81FCEF | 17.10:1 | AAA | Lc 92.5 | Preferred for body text |
| #81FCEF text on white | 1.22:1 | Fails | Lc 11.0 | Not readable |
| #81FCEF text on black | 17.10:1 | AAA | Lc -93.0 | 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
#E8FAF7
oklch(97.1% 0.019 184.9)
-
Step 100
100 (this color)
#81FCEF
oklch(91.6% 0.113 186.4)
-
Step 200
200
#9AEBE1
oklch(88.5% 0.081 186)
-
Step 300
300
#00DDCF
oklch(80.8% 0.141 186.7)
-
Step 400
400
#00B9AD
oklch(70.7% 0.124 186.6)
-
Step 500
500
#009F94
oklch(63.2% 0.111 186.2)
-
Step 600
600
#00857C
oklch(55.5% 0.097 186.5)
-
Step 700
700
#007068
oklch(49.1% 0.086 186.2)
-
Step 800
800
#005C55
oklch(42.7% 0.075 185.9)
-
Step 900
900
#004D47
oklch(37.8% 0.066 185.9)
-
Step 950
950
#002E2A
oklch(27.1% 0.048 185.8)
#81FCEF 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) | #F1F1EF | 0.120 |
| Deuteranopia (no green cones) | #DDE2F1 | 0.113 |
| Tritanopia (no blue cones) | #3DFFF8 | 0.036 |
| Achromatopsia (no color) | #E8E8E8 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81FCEF
#81FCEF
oklch(91.6% 0.113 186.4)
- #FFD8DF
#FFD8DF
oklch(91.7% 0.044 5.8)
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 #81FCEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Aqua #8CFFDB ΔE 0.031
- Bright Cyan #41FDFE ΔE 0.038
- Aquamarine #7FFFD4 ΔE 0.041
- Robin Egg Blue #8AF1FE ΔE 0.042
- Robin's Egg Blue #98EFF9 ΔE 0.045
- Bright Turquoise #0FFEF9 ΔE 0.046
- Light Turquoise #7EF4CC ΔE 0.047
- Cyan #00FFFF ΔE 0.047
Use #81FCEF 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.