#81F3EE
Closest named color: Robin Egg Blue (#8AF1FE). oklch(89.6% 0.105 191.7), rgb(129, 243, 238).
Aa
Black text reads best on this color (15.98:1).
About this color
#81F3EE is a light, moderately saturated teal or cyan. In OKLCH its lightness is 90%, its chroma 0.105 and its hue 192°. Its hue sits on the cool side of the wheel. The nearest named color is Robin Egg Blue (#8AF1FE), ΔE 0.027 away. Black text reads best on it, at 15.98:1.
| Hue family | Teals and cyans |
| Lightness | light (90%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Robin Egg Blue (#8AF1FE) |
| Black text | 15.98:1 |
| White text | 1.31:1 |
Values
| HEX | #81F3EE |
| RGB | rgb(129, 243, 238) |
| HSL | hsl(177, 83%, 73%) |
| OKLCH | oklch(89.6% 0.105 191.7) |
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 #81F3EE | 1.31:1 | Fails | Lc -17.6 | Dividers and decoration only |
| Black text on #81F3EE | 15.98:1 | AAA | Lc 88.3 | Fine for body text |
| #81F3EE text on white | 1.31:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #81F3EE text on black | 15.98:1 | AAA | Lc -88.4 | Fine 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
#E9FAF8
oklch(97.2% 0.018 188.4)
-
Step 100
100
#CDF3F0
oklch(93.6% 0.039 190.6)
-
Step 200
200 (this color)
#81F3EE
oklch(89.6% 0.105 191.7)
-
Step 300
300
#21DCD6
oklch(81% 0.135 191.2)
-
Step 400
400
#00B8B4
oklch(70.7% 0.121 192)
-
Step 500
500
#009E9A
oklch(63.2% 0.109 191.6)
-
Step 600
600
#008581
oklch(55.7% 0.096 191.1)
-
Step 700
700
#00706D
oklch(49.2% 0.085 191.5)
-
Step 800
800
#005B59
oklch(42.6% 0.073 192.2)
-
Step 900
900
#004C4A
oklch(37.6% 0.065 191.7)
-
Step 950
950
#002D2C
oklch(26.9% 0.046 192.5)
#81F3EE 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) | #E7E9EE | 0.110 |
| Deuteranopia (no green cones) | #D4DBEF | 0.103 |
| Tritanopia (no blue cones) | #42F9F1 | 0.037 |
| Achromatopsia (no color) | #E1E1E1 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81F3EE
#81F3EE
oklch(89.6% 0.105 191.7)
- #FFCED3
#FFCED3
oklch(89.5% 0.056 11.4)
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 #81F3EE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin Egg Blue #8AF1FE ΔE 0.027
- Robin's Egg Blue #98EFF9 ΔE 0.030
- Robin's Egg #6DEDFD ΔE 0.034
- Bright Cyan #41FDFE ΔE 0.040
- Pale Turquoise #AFEEEE ΔE 0.043
- Bright Light Blue #26F7FD ΔE 0.045
- Light Turquoise #7EF4CC ΔE 0.049
- Light Aqua #8CFFDB ΔE 0.049
Use #81F3EE 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.