#81DEEF
Closest named color: Robin's Egg (#6DEDFD). oklch(84.9% 0.092 210.6), rgb(129, 222, 239).
Aa
Black text reads best on this color (13.62:1).
About this color
#81DEEF is a light, moderately saturated teal or cyan. In OKLCH its lightness is 85%, its chroma 0.092 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Robin's Egg (#6DEDFD), ΔE 0.039 away. Black text reads best on it, at 13.62:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Robin's Egg (#6DEDFD) |
| Black text | 13.62:1 |
| White text | 1.54:1 |
Values
| HEX | #81DEEF |
| RGB | rgb(129, 222, 239) |
| HSL | hsl(189, 77%, 72%) |
| OKLCH | oklch(84.9% 0.092 210.6) |
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 #81DEEF | 1.54:1 | Fails | Lc -28.1 | Dividers and decoration only |
| Black text on #81DEEF | 13.62:1 | AAA | Lc 79.0 | Fine for body text |
| #81DEEF text on white | 1.54:1 | Fails | Lc 24.8 | Dividers and decoration only |
| #81DEEF text on black | 13.62:1 | AAA | Lc -78.3 | 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
#EAF9FB
oklch(97.2% 0.016 206.4)
-
Step 100
100
#D1F1F7
oklch(93.7% 0.034 210.2)
-
Step 200
200 (this color)
#81DEEF
oklch(84.9% 0.092 210.6)
-
Step 300
300
#4FD5EB
oklch(80.9% 0.118 210.4)
-
Step 400
400
#00B4CB
oklch(70.6% 0.122 210.8)
-
Step 500
500
#009BAE
oklch(63.2% 0.109 210)
-
Step 600
600
#008293
oklch(55.6% 0.096 210.7)
-
Step 700
700
#006D7C
oklch(49% 0.085 211.2)
-
Step 800
800
#005A66
oklch(42.9% 0.074 210.4)
-
Step 900
900
#004B55
oklch(37.8% 0.065 210)
-
Step 950
950
#002C33
oklch(26.9% 0.047 211.1)
#81DEEF 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) | #CFD8F0 | 0.086 |
| Deuteranopia (no green cones) | #BECAEF | 0.080 |
| Tritanopia (no blue cones) | #48E6E3 | 0.049 |
| Achromatopsia (no color) | #D0D0D0 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81DEEF
#81DEEF
oklch(84.9% 0.092 210.6)
- #FFBAAD
#FFBAAD
oklch(84.9% 0.083 30.9)
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 #81DEEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg #6DEDFD ΔE 0.039
- Sky Blue #87CEEB ΔE 0.042
- Celeste #A8DADC ΔE 0.042
- Light Blue #ADD8E6 ΔE 0.045
- Powder Blue #B0E0E6 ΔE 0.049
- Light Sky Blue #87CEFA ΔE 0.051
- Robin Egg Blue #8AF1FE ΔE 0.052
- Robin's Egg Blue #98EFF9 ΔE 0.053
Use #81DEEF 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.