#81EFFA
Closest named color: Robin Egg Blue (#8AF1FE). oklch(89.1% 0.102 204), rgb(129, 239, 250).
Aa
Black text reads best on this color (15.66:1).
About this color
#81EFFA is a light, moderately saturated teal or cyan. In OKLCH its lightness is 89%, its chroma 0.102 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Robin Egg Blue (#8AF1FE), ΔE 0.011 away. Black text reads best on it, at 15.66:1.
| Hue family | Teals and cyans |
| Lightness | light (89%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Robin Egg Blue (#8AF1FE) |
| Black text | 15.66:1 |
| White text | 1.34:1 |
Values
| HEX | #81EFFA |
| RGB | rgb(129, 239, 250) |
| HSL | hsl(185, 92%, 74%) |
| OKLCH | oklch(89.1% 0.102 204) |
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 #81EFFA | 1.34:1 | Fails | Lc -19.0 | Dividers and decoration only |
| Black text on #81EFFA | 15.66:1 | AAA | Lc 87.1 | Fine for body text |
| #81EFFA text on white | 1.34:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #81EFFA text on black | 15.66:1 | AAA | Lc -87.1 | 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)
#81EFFA
oklch(89.1% 0.102 204)
-
Step 300
300
#2AD9E7
oklch(81% 0.132 203.5)
-
Step 400
400
#00B6C3
oklch(70.8% 0.121 203.9)
-
Step 500
500
#009CA7
oklch(63.1% 0.108 203.6)
-
Step 600
600
#00838D
oklch(55.6% 0.095 204.2)
-
Step 700
700
#006E76
oklch(49.1% 0.084 203.6)
-
Step 800
800
#005A61
oklch(42.6% 0.073 204)
-
Step 900
900
#004B51
oklch(37.6% 0.064 204)
-
Step 950
950
#002D31
oklch(27.1% 0.046 204.1)
#81EFFA 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) | #E0E7FB | 0.102 |
| Deuteranopia (no green cones) | #CCD8FB | 0.094 |
| Tritanopia (no blue cones) | #37F7F2 | 0.048 |
| Achromatopsia (no color) | #DEDEDE | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81EFFA
#81EFFA
oklch(89.1% 0.102 204)
- #FFCDC9
#FFCDC9
oklch(89.1% 0.057 23.6)
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 #81EFFA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin Egg Blue #8AF1FE ΔE 0.011
- Robin's Egg #6DEDFD ΔE 0.017
- Robin's Egg Blue #98EFF9 ΔE 0.020
- Pale Turquoise #AFEEEE ΔE 0.044
- Bright Light Blue #26F7FD ΔE 0.046
- Bright Cyan #41FDFE ΔE 0.047
- Powder Blue #B0E0E6 ΔE 0.054
- Diamond #B9F2FF ΔE 0.057
Use #81EFFA 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.