#81F5FF
Closest named color: Robin Egg Blue (#8AF1FE). oklch(90.6% 0.106 202.9), rgb(129, 245, 255).
Aa
Black text reads best on this color (16.43:1).
About this color
#81F5FF is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 91%, its chroma 0.106 and its hue 203°. Its hue sits on the cool side of the wheel. The nearest named color is Robin Egg Blue (#8AF1FE), ΔE 0.012 away. Black text reads best on it, at 16.43:1.
| Hue family | Teals and cyans |
| Lightness | very light (91%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Robin Egg Blue (#8AF1FE) |
| Black text | 16.43:1 |
| White text | 1.27:1 |
Values
| HEX | #81F5FF |
| RGB | rgb(129, 245, 255) |
| HSL | hsl(185, 100%, 75%) |
| OKLCH | oklch(90.6% 0.106 202.9) |
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 #81F5FF | 1.27:1 | Fails | Lc -15.7 | Dividers and decoration only |
| Black text on #81F5FF | 16.43:1 | AAA | Lc 90.0 | Preferred for body text |
| #81F5FF text on white | 1.27:1 | Fails | Lc 13.6 | Not readable |
| #81F5FF text on black | 16.43:1 | AAA | Lc -90.3 | Preferred 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
#E8F9FB
oklch(97% 0.018 205.3)
-
Step 100
100
#CCF2F6
oklch(93.5% 0.04 204.3)
-
Step 200
200 (this color)
#81F5FF
oklch(90.6% 0.106 202.9)
-
Step 300
300
#0CDAE7
oklch(80.9% 0.137 202.5)
-
Step 400
400
#00B6C2
oklch(70.7% 0.12 203.2)
-
Step 500
500
#009CA6
oklch(63.1% 0.107 202.8)
-
Step 600
600
#00838C
oklch(55.6% 0.095 203.3)
-
Step 700
700
#006E76
oklch(49.1% 0.084 203.6)
-
Step 800
800
#005A60
oklch(42.6% 0.073 202.7)
-
Step 900
900
#004B51
oklch(37.6% 0.064 204)
-
Step 950
950
#002D30
oklch(27% 0.046 201.8)
#81F5FF 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) | #E6ECFF | 0.107 |
| Deuteranopia (no green cones) | #D1DDFF | 0.098 |
| Tritanopia (no blue cones) | #2DFDF8 | 0.049 |
| Achromatopsia (no color) | #E3E3E3 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81F5FF
#81F5FF
oklch(90.6% 0.106 202.9)
- #FFD4D1
#FFD4D1
oklch(90.6% 0.049 22.8)
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 #81F5FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin Egg Blue #8AF1FE ΔE 0.012
- Robin's Egg Blue #98EFF9 ΔE 0.022
- Robin's Egg #6DEDFD ΔE 0.028
- Bright Cyan #41FDFE ΔE 0.040
- Pale Turquoise #AFEEEE ΔE 0.044
- Bright Light Blue #26F7FD ΔE 0.045
- Cyan #00FFFF ΔE 0.052
- Diamond #B9F2FF ΔE 0.053
Use #81F5FF 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.