#81DEFA
Closest named color: Robin's Egg (#6DEDFD). oklch(85.3% 0.097 219.4), rgb(129, 222, 250).
Aa
Black text reads best on this color (13.76:1).
About this color
#81DEFA is a light, moderately saturated teal or cyan. In OKLCH its lightness is 85%, its chroma 0.097 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Robin's Egg (#6DEDFD), ΔE 0.040 away. Black text reads best on it, at 13.76:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Robin's Egg (#6DEDFD) |
| Black text | 13.76:1 |
| White text | 1.52:1 |
Values
| HEX | #81DEFA |
| RGB | rgb(129, 222, 250) |
| HSL | hsl(194, 92%, 74%) |
| OKLCH | oklch(85.3% 0.097 219.4) |
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 #81DEFA | 1.52:1 | Fails | Lc -27.5 | Dividers and decoration only |
| Black text on #81DEFA | 13.76:1 | AAA | Lc 79.5 | Fine for body text |
| #81DEFA text on white | 1.52:1 | Fails | Lc 24.2 | Dividers and decoration only |
| #81DEFA text on black | 13.76:1 | AAA | Lc -78.9 | 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
#EAF8FD
oklch(97% 0.016 221.1)
-
Step 100
100
#D1F0FA
oklch(93.6% 0.035 219.2)
-
Step 200
200 (this color)
#81DEFA
oklch(85.3% 0.097 219.4)
-
Step 300
300
#4DD3F7
oklch(80.9% 0.124 219.3)
-
Step 400
400
#00B2D7
oklch(70.6% 0.128 219.8)
-
Step 500
500
#0099B9
oklch(63.1% 0.115 219.7)
-
Step 600
600
#00809B
oklch(55.5% 0.101 219.5)
-
Step 700
700
#006C83
oklch(49.1% 0.089 219.3)
-
Step 800
800
#00586C
oklch(42.6% 0.078 220.2)
-
Step 900
900
#004A5A
oklch(37.8% 0.068 218.5)
-
Step 950
950
#002C37
oklch(27.1% 0.049 219.4)
#81DEFA 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) | #CCD9FC | 0.082 |
| Deuteranopia (no green cones) | #BACBFA | 0.075 |
| Tritanopia (no blue cones) | #3EE8E7 | 0.061 |
| Achromatopsia (no color) | #D1D1D1 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81DEFA
#81DEFA
oklch(85.3% 0.097 219.4)
- #FFBDA6
#FFBDA6
oklch(85.3% 0.083 40)
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 #81DEFA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg #6DEDFD ΔE 0.040
- Sky Blue #87CEEB ΔE 0.042
- Light Sky Blue #87CEFA ΔE 0.043
- Light Blue #ADD8E6 ΔE 0.048
- Baby Blue #A2CFFE ΔE 0.051
- Celeste #A8DADC ΔE 0.051
- Robin Egg Blue #8AF1FE ΔE 0.052
- Robin's Egg Blue #98EFF9 ΔE 0.054
Use #81DEFA 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.