#81DADC
Closest named color: Celeste (#A8DADC). oklch(83.3% 0.086 197.5), rgb(129, 218, 220).
Aa
Black text reads best on this color (12.99:1).
About this color
#81DADC is a light, moderately saturated teal or cyan. In OKLCH its lightness is 83%, its chroma 0.086 and its hue 197°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.040 away. Black text reads best on it, at 12.99:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 12.99:1 |
| White text | 1.61:1 |
Values
| HEX | #81DADC |
| RGB | rgb(129, 218, 220) |
| HSL | hsl(181, 57%, 68%) |
| OKLCH | oklch(83.3% 0.086 197.5) |
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 #81DADC | 1.61:1 | Fails | Lc -31.0 | Non-text elements, placeholder text |
| Black text on #81DADC | 12.99:1 | AAA | Lc 76.3 | Fine for body text |
| #81DADC text on white | 1.61:1 | Fails | Lc 27.5 | Dividers and decoration only |
| #81DADC text on black | 12.99:1 | AAA | Lc -75.5 | 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 300.
-
Step 50
50
#EDF8F8
oklch(97.1% 0.012 197)
-
Step 100
100
#D8EFF0
oklch(93.6% 0.024 199.9)
-
Step 200
200
#B5E3E4
oklch(88.4% 0.048 198)
-
Step 300
300 (this color)
#81DADC
oklch(83.3% 0.086 197.5)
-
Step 400
400
#00B7BB
oklch(70.7% 0.12 197.6)
-
Step 500
500
#009DA0
oklch(63.1% 0.107 197.2)
-
Step 600
600
#008487
oklch(55.6% 0.095 197.6)
-
Step 700
700
#006F71
oklch(49.1% 0.084 197)
-
Step 800
800
#005B5D
oklch(42.7% 0.073 197.4)
-
Step 900
900
#004C4E
oklch(37.8% 0.064 197.8)
-
Step 950
950
#002D2E
oklch(27% 0.046 197.1)
#81DADC 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) | #CFD2DC | 0.089 |
| Deuteranopia (no green cones) | #BFC6DD | 0.084 |
| Tritanopia (no blue cones) | #56DFDA | 0.034 |
| Achromatopsia (no color) | #CBCBCB | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81DADC
#81DADC
oklch(83.3% 0.086 197.5)
- #FBB2B4
#FBB2B4
oklch(83.3% 0.086 17.2)
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 #81DADC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.040
- Tiffany Blue #94D2BD ΔE 0.042
- Sky Blue #87CEEB ΔE 0.045
- Light Blue #ADD8E6 ΔE 0.050
- Turquoise #40E0D0 ΔE 0.052
- Seafoam Blue #78D1B6 ΔE 0.055
- Light Teal #90E4C1 ΔE 0.055
- Powder Blue #B0E0E6 ΔE 0.056
Use #81DADC 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.