#81DDDA
Closest named color: Celeste (#A8DADC). oklch(84% 0.088 192.9), rgb(129, 221, 218).
Aa
Black text reads best on this color (13.28:1).
About this color
#81DDDA is a light, moderately saturated teal or cyan. In OKLCH its lightness is 84%, its chroma 0.088 and its hue 193°. 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 13.28:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.28:1 |
| White text | 1.58:1 |
Values
| HEX | #81DDDA |
| RGB | rgb(129, 221, 218) |
| HSL | hsl(178, 58%, 69%) |
| OKLCH | oklch(84% 0.088 192.9) |
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 #81DDDA | 1.58:1 | Fails | Lc -29.7 | Dividers and decoration only |
| Black text on #81DDDA | 13.28:1 | AAA | Lc 77.5 | Fine for body text |
| #81DDDA text on white | 1.58:1 | Fails | Lc 26.2 | Dividers and decoration only |
| #81DDDA text on black | 13.28:1 | AAA | Lc -76.8 | 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
#EDF8F7
oklch(97.1% 0.012 190.4)
-
Step 100
100
#D7F0EE
oklch(93.6% 0.026 190.9)
-
Step 200
200
#B4E4E2
oklch(88.5% 0.05 193.1)
-
Step 300
300 (this color)
#81DDDA
oklch(84% 0.088 192.9)
-
Step 400
400
#00B8B5
oklch(70.8% 0.121 192.7)
-
Step 500
500
#009E9B
oklch(63.2% 0.108 192.4)
-
Step 600
600
#008482
oklch(55.5% 0.095 192.9)
-
Step 700
700
#006F6E
oklch(49% 0.084 193.7)
-
Step 800
800
#005B5A
oklch(42.6% 0.073 193.5)
-
Step 900
900
#004C4B
oklch(37.7% 0.064 193.2)
-
Step 950
950
#002D2D
oklch(26.9% 0.046 194.8)
#81DDDA 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) | #D3D5DA | 0.093 |
| Deuteranopia (no green cones) | #C3C9DB | 0.087 |
| Tritanopia (no blue cones) | #57E2DC | 0.031 |
| Achromatopsia (no color) | #CECECE | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81DDDA
#81DDDA
oklch(84% 0.088 192.9)
- #FEB3BA
#FEB3BA
oklch(83.9% 0.088 13)
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 #81DDDA, 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
- Light Teal #90E4C1 ΔE 0.046
- Turquoise #40E0D0 ΔE 0.048
- Light Blue #ADD8E6 ΔE 0.052
- Robin's Egg #6DEDFD ΔE 0.054
- Powder Blue #B0E0E6 ΔE 0.054
- Seafoam Blue #78D1B6 ΔE 0.054
Use #81DDDA 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.