#81EFF2
Closest named color: Robin Egg Blue (#8AF1FE). oklch(88.8% 0.101 197.8), rgb(129, 239, 242).
Aa
Black text reads best on this color (15.56:1).
About this color
#81EFF2 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 89%, its chroma 0.101 and its hue 198°. Its hue sits on the cool side of the wheel. The nearest named color is Robin Egg Blue (#8AF1FE), ΔE 0.019 away. Black text reads best on it, at 15.56:1.
| Hue family | Teals and cyans |
| Lightness | light (89%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Robin Egg Blue (#8AF1FE) |
| Black text | 15.56:1 |
| White text | 1.34:1 |
Values
| HEX | #81EFF2 |
| RGB | rgb(129, 239, 242) |
| HSL | hsl(182, 81%, 73%) |
| OKLCH | oklch(88.8% 0.101 197.8) |
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 #81EFF2 | 1.34:1 | Fails | Lc -19.4 | Dividers and decoration only |
| Black text on #81EFF2 | 15.56:1 | AAA | Lc 86.7 | Fine for body text |
| #81EFF2 text on white | 1.34:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #81EFF2 text on black | 15.56:1 | AAA | Lc -86.7 | 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
#E9F9FA
oklch(97.1% 0.017 201.4)
-
Step 100
100
#CEF2F3
oklch(93.6% 0.037 198.6)
-
Step 200
200 (this color)
#81EFF2
oklch(88.8% 0.101 197.8)
-
Step 300
300
#2DDADF
oklch(81% 0.13 198)
-
Step 400
400
#00B7BB
oklch(70.7% 0.12 197.6)
-
Step 500
500
#009DA1
oklch(63.2% 0.107 198)
-
Step 600
600
#008487
oklch(55.6% 0.095 197.6)
-
Step 700
700
#006F72
oklch(49.2% 0.084 198.1)
-
Step 800
800
#005B5D
oklch(42.7% 0.073 197.4)
-
Step 900
900
#004C4E
oklch(37.8% 0.064 197.8)
-
Step 950
950
#002D2E
oklch(27% 0.046 197.1)
#81EFF2 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) | #E2E6F2 | 0.105 |
| Deuteranopia (no green cones) | #CFD8F3 | 0.098 |
| Tritanopia (no blue cones) | #40F5F0 | 0.040 |
| Achromatopsia (no color) | #DEDEDE | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81EFF2
#81EFF2
oklch(88.8% 0.101 197.8)
- #FFCBCC
#FFCBCC
oklch(88.8% 0.059 17)
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 #81EFF2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin Egg Blue #8AF1FE ΔE 0.019
- Robin's Egg #6DEDFD ΔE 0.023
- Robin's Egg Blue #98EFF9 ΔE 0.024
- Pale Turquoise #AFEEEE ΔE 0.043
- Bright Light Blue #26F7FD ΔE 0.045
- Bright Cyan #41FDFE ΔE 0.045
- Powder Blue #B0E0E6 ΔE 0.054
- Bright Turquoise #0FFEF9 ΔE 0.055
Use #81EFF2 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.