#81E5FD
Closest named color: Robin's Egg (#6DEDFD). oklch(86.9% 0.099 215.1), rgb(129, 229, 253).
Aa
Black text reads best on this color (14.55:1).
About this color
#81E5FD is a light, moderately saturated teal or cyan. In OKLCH its lightness is 87%, its chroma 0.099 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Robin's Egg (#6DEDFD), ΔE 0.025 away. Black text reads best on it, at 14.55:1.
| Hue family | Teals and cyans |
| Lightness | light (87%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Robin's Egg (#6DEDFD) |
| Black text | 14.55:1 |
| White text | 1.44:1 |
Values
| HEX | #81E5FD |
| RGB | rgb(129, 229, 253) |
| HSL | hsl(192, 97%, 75%) |
| OKLCH | oklch(86.9% 0.099 215.1) |
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 #81E5FD | 1.44:1 | Fails | Lc -23.9 | Dividers and decoration only |
| Black text on #81E5FD | 14.55:1 | AAA | Lc 82.7 | Fine for body text |
| #81E5FD text on white | 1.44:1 | Fails | Lc 21.0 | Dividers and decoration only |
| #81E5FD text on black | 14.55:1 | AAA | Lc -82.4 | 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
#E9F9FD
oklch(97.1% 0.018 214.4)
-
Step 100
100
#CFF1F9
oklch(93.6% 0.037 213.5)
-
Step 200
200 (this color)
#81E5FD
oklch(86.9% 0.099 215.1)
-
Step 300
300
#41D5F4
oklch(80.9% 0.128 215.1)
-
Step 400
400
#00B3D1
oklch(70.6% 0.125 215.4)
-
Step 500
500
#009AB3
oklch(63.1% 0.111 214.6)
-
Step 600
600
#008197
oklch(55.5% 0.098 215.2)
-
Step 700
700
#006D7F
oklch(49.2% 0.087 214.3)
-
Step 800
800
#005969
oklch(42.7% 0.076 215.4)
-
Step 900
900
#004A58
oklch(37.7% 0.067 215.8)
-
Step 950
950
#002C35
oklch(27% 0.048 215.4)
#81E5FD 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) | #D4DFFE | 0.090 |
| Deuteranopia (no green cones) | #C1D1FD | 0.081 |
| Tritanopia (no blue cones) | #38EEEC | 0.058 |
| Achromatopsia (no color) | #D7D7D7 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81E5FD
#81E5FD
oklch(86.9% 0.099 215.1)
- #FFC4B5
#FFC4B5
oklch(86.9% 0.071 34.7)
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 #81E5FD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg #6DEDFD ΔE 0.025
- Robin Egg Blue #8AF1FE ΔE 0.034
- Robin's Egg Blue #98EFF9 ΔE 0.038
- Powder Blue #B0E0E6 ΔE 0.051
- Light Blue #ADD8E6 ΔE 0.052
- Celeste #A8DADC ΔE 0.054
- Pale Turquoise #AFEEEE ΔE 0.058
- Sky Blue #87CEEB ΔE 0.060
Use #81E5FD 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.