#81DEFF
Closest named color: Light Sky Blue (#87CEFA). oklch(85.5% 0.1 223.1), rgb(129, 222, 255).
Aa
Black text reads best on this color (13.82:1).
About this color
#81DEFF is a light, moderately saturated teal or cyan. In OKLCH its lightness is 85%, its chroma 0.100 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sky Blue (#87CEFA), ΔE 0.042 away. Black text reads best on it, at 13.82:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Light Sky Blue (#87CEFA) |
| Black text | 13.82:1 |
| White text | 1.51:1 |
Values
| HEX | #81DEFF |
| RGB | rgb(129, 222, 255) |
| HSL | hsl(196, 100%, 75%) |
| OKLCH | oklch(85.5% 0.1 223.1) |
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 #81DEFF | 1.51:1 | Fails | Lc -27.2 | Dividers and decoration only |
| Black text on #81DEFF | 13.82:1 | AAA | Lc 79.8 | Fine for body text |
| #81DEFF text on white | 1.51:1 | Fails | Lc 24.0 | Dividers and decoration only |
| #81DEFF text on black | 13.82:1 | AAA | Lc -79.2 | 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
#EAF8FE
oklch(97% 0.017 225.2)
-
Step 100
100
#D0F0FC
oklch(93.6% 0.037 222.4)
-
Step 200
200 (this color)
#81DEFF
oklch(85.5% 0.1 223.1)
-
Step 300
300
#4CD2FD
oklch(80.9% 0.129 223.4)
-
Step 400
400
#00B1DC
oklch(70.6% 0.132 223.3)
-
Step 500
500
#0098BD
oklch(63.1% 0.118 223.1)
-
Step 600
600
#00809F
oklch(55.6% 0.103 222.6)
-
Step 700
700
#006B86
oklch(49% 0.091 223.1)
-
Step 800
800
#00586F
oklch(42.7% 0.08 223.4)
-
Step 900
900
#00495D
oklch(37.7% 0.071 223.8)
-
Step 950
950
#002B38
oklch(26.8% 0.05 223.6)
#81DEFF 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) | #CBDAFF | 0.080 |
| Deuteranopia (no green cones) | #B8CBFF | 0.073 |
| Tritanopia (no blue cones) | #39E8E8 | 0.066 |
| Achromatopsia (no color) | #D2D2D2 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81DEFF
#81DEFF
oklch(85.5% 0.1 223.1)
- #FFBEA4
#FFBEA4
oklch(85.5% 0.083 42.8)
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 #81DEFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sky Blue #87CEFA ΔE 0.042
- Robin's Egg #6DEDFD ΔE 0.043
- Sky Blue #87CEEB ΔE 0.044
- Baby Blue #A2CFFE ΔE 0.048
- Light Blue #ADD8E6 ΔE 0.051
- Sky #82CAFC ΔE 0.053
- Robin Egg Blue #8AF1FE ΔE 0.054
- Robin's Egg Blue #98EFF9 ΔE 0.056
Use #81DEFF 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.