#81D6EA
Closest named color: Sky Blue (#87CEEB). oklch(82.9% 0.087 214.5), rgb(129, 214, 234).
Aa
Black text reads best on this color (12.74:1).
About this color
#81D6EA is a light, moderately saturated teal or cyan. In OKLCH its lightness is 83%, its chroma 0.087 and its hue 214°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.023 away. Black text reads best on it, at 12.74:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 12.74:1 |
| White text | 1.64:1 |
Values
| HEX | #81D6EA |
| RGB | rgb(129, 214, 234) |
| HSL | hsl(191, 71%, 71%) |
| OKLCH | oklch(82.9% 0.087 214.5) |
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 #81D6EA | 1.64:1 | Fails | Lc -32.2 | Non-text elements, placeholder text |
| Black text on #81D6EA | 12.74:1 | AAA | Lc 75.2 | Fine for body text |
| #81D6EA text on white | 1.64:1 | Fails | Lc 28.6 | Dividers and decoration only |
| #81D6EA text on black | 12.74:1 | AAA | Lc -74.3 | Content text, not long reading |
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 300.
-
Step 50
50
#EDF8FA
oklch(97.1% 0.012 209.8)
-
Step 100
100
#D8EFF4
oklch(93.7% 0.025 212.2)
-
Step 200
200
#B6E2ED
oklch(88.5% 0.048 214.6)
-
Step 300
300 (this color)
#81D6EA
oklch(82.9% 0.087 214.5)
-
Step 400
400
#00B4D0
oklch(70.8% 0.124 214)
-
Step 500
500
#009AB3
oklch(63.1% 0.111 214.6)
-
Step 600
600
#008197
oklch(55.5% 0.098 215.2)
-
Step 700
700
#006D7F
oklch(49.2% 0.087 214.3)
-
Step 800
800
#005968
oklch(42.7% 0.075 214.2)
-
Step 900
900
#004A57
oklch(37.6% 0.066 214.5)
-
Step 950
950
#002C35
oklch(27% 0.048 215.4)
#81D6EA 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) | #C7D1EB | 0.079 |
| Deuteranopia (no green cones) | #B7C4EA | 0.072 |
| Tritanopia (no blue cones) | #4EDEDC | 0.050 |
| Achromatopsia (no color) | #C9C9C9 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81D6EA
#81D6EA
oklch(82.9% 0.087 214.5)
- #FAB3A2
#FAB3A2
oklch(82.9% 0.087 33.9)
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 #81D6EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.023
- Light Sky Blue #87CEFA ΔE 0.037
- Celeste #A8DADC ΔE 0.047
- Light Blue #ADD8E6 ΔE 0.047
- Lightblue #7BC8F6 ΔE 0.048
- Sky #82CAFC ΔE 0.048
- Baby Blue #A2CFFE ΔE 0.052
- Light Cornflower Blue #98C1D9 ΔE 0.056
Use #81D6EA 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.