#81DDDD
Closest named color: Celeste (#A8DADC). oklch(84.1% 0.088 195.6), rgb(129, 221, 221).
Aa
Black text reads best on this color (13.32:1).
About this color
#81DDDD is a light, moderately saturated teal or cyan. In OKLCH its lightness is 84%, its chroma 0.088 and its hue 196°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.039 away. Black text reads best on it, at 13.32:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.32:1 |
| White text | 1.57:1 |
Values
| HEX | #81DDDD |
| RGB | rgb(129, 221, 221) |
| HSL | hsl(180, 58%, 69%) |
| OKLCH | oklch(84.1% 0.088 195.6) |
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 #81DDDD | 1.57:1 | Fails | Lc -29.5 | Dividers and decoration only |
| Black text on #81DDDD | 13.32:1 | AAA | Lc 77.7 | Fine for body text |
| #81DDDD text on white | 1.57:1 | Fails | Lc 26.1 | Dividers and decoration only |
| #81DDDD text on black | 13.32:1 | AAA | Lc -76.9 | 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 300.
-
Step 50
50
#EDF8F8
oklch(97.1% 0.012 197)
-
Step 100
100
#D7F0EF
oklch(93.7% 0.026 193.8)
-
Step 200
200
#B4E4E3
oklch(88.5% 0.049 194.7)
-
Step 300
300 (this color)
#81DDDD
oklch(84.1% 0.088 195.6)
-
Step 400
400
#00B7B9
oklch(70.6% 0.12 196.2)
-
Step 500
500
#009D9E
oklch(63.1% 0.108 195.6)
-
Step 600
600
#008485
oklch(55.6% 0.095 195.7)
-
Step 700
700
#006F70
oklch(49.1% 0.084 195.9)
-
Step 800
800
#005B5C
oklch(42.7% 0.073 196.1)
-
Step 900
900
#004C4C
oklch(37.7% 0.064 194.8)
-
Step 950
950
#002D2E
oklch(27% 0.046 197.1)
#81DDDD 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) | #D2D5DD | 0.092 |
| Deuteranopia (no green cones) | #C2C9DE | 0.086 |
| Tritanopia (no blue cones) | #55E2DD | 0.033 |
| Achromatopsia (no color) | #CECECE | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81DDDD
#81DDDD
oklch(84.1% 0.088 195.6)
- #FFB4B8
#FFB4B8
oklch(84.2% 0.088 15.6)
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 #81DDDD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.039
- Tiffany Blue #94D2BD ΔE 0.045
- Light Teal #90E4C1 ΔE 0.050
- Light Blue #ADD8E6 ΔE 0.050
- Turquoise #40E0D0 ΔE 0.050
- Robin's Egg #6DEDFD ΔE 0.051
- Sky Blue #87CEEB ΔE 0.052
- Powder Blue #B0E0E6 ΔE 0.053
Use #81DDDD 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.