#81EEFA
Closest named color: Robin Egg Blue (#8AF1FE). oklch(88.8% 0.102 204.8), rgb(129, 238, 250).
Aa
Black text reads best on this color (15.54:1).
About this color
#81EEFA is a light, moderately saturated teal or cyan. In OKLCH its lightness is 89%, its chroma 0.102 and its hue 205°. Its hue sits on the cool side of the wheel. The nearest named color is Robin Egg Blue (#8AF1FE), ΔE 0.013 away. Black text reads best on it, at 15.54:1.
| Hue family | Teals and cyans |
| Lightness | light (89%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Robin Egg Blue (#8AF1FE) |
| Black text | 15.54:1 |
| White text | 1.35:1 |
Values
| HEX | #81EEFA |
| RGB | rgb(129, 238, 250) |
| HSL | hsl(186, 92%, 74%) |
| OKLCH | oklch(88.8% 0.102 204.8) |
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 #81EEFA | 1.35:1 | Fails | Lc -19.5 | Dividers and decoration only |
| Black text on #81EEFA | 15.54:1 | AAA | Lc 86.6 | Fine for body text |
| #81EEFA text on white | 1.35:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #81EEFA text on black | 15.54:1 | AAA | Lc -86.6 | 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
#E9F9FB
oklch(97.1% 0.017 205.8)
-
Step 100
100
#CEF2F6
oklch(93.7% 0.038 204.7)
-
Step 200
200 (this color)
#81EEFA
oklch(88.8% 0.102 204.8)
-
Step 300
300
#2DD8E8
oklch(80.8% 0.131 204.9)
-
Step 400
400
#00B6C4
oklch(70.8% 0.121 204.6)
-
Step 500
500
#009CA8
oklch(63.2% 0.108 204.4)
-
Step 600
600
#00838D
oklch(55.6% 0.095 204.2)
-
Step 700
700
#006E77
oklch(49.1% 0.084 204.7)
-
Step 800
800
#005A62
oklch(42.7% 0.073 205.3)
-
Step 900
900
#004B52
oklch(37.7% 0.064 205.5)
-
Step 950
950
#002D31
oklch(27.1% 0.046 204.1)
#81EEFA 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) | #DFE6FB | 0.101 |
| Deuteranopia (no green cones) | #CBD7FB | 0.094 |
| Tritanopia (no blue cones) | #38F6F1 | 0.049 |
| Achromatopsia (no color) | #DEDEDE | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81EEFA
#81EEFA
oklch(88.8% 0.102 204.8)
- #FFCCC7
#FFCCC7
oklch(88.8% 0.059 24.8)
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 #81EEFA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin Egg Blue #8AF1FE ΔE 0.013
- Robin's Egg #6DEDFD ΔE 0.016
- Robin's Egg Blue #98EFF9 ΔE 0.021
- Pale Turquoise #AFEEEE ΔE 0.044
- Bright Light Blue #26F7FD ΔE 0.047
- Bright Cyan #41FDFE ΔE 0.049
- Powder Blue #B0E0E6 ΔE 0.053
- Diamond #B9F2FF ΔE 0.058
Use #81EEFA 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.