#81DAA5
Closest named color: Seafoam Blue (#78D1B6). oklch(81.8% 0.115 156.6), rgb(129, 218, 165).
Aa
Black text reads best on this color (12.50:1).
About this color
#81DAA5 is a light, moderately saturated green. In OKLCH its lightness is 82%, its chroma 0.115 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seafoam Blue (#78D1B6), ΔE 0.040 away. Black text reads best on it, at 12.50:1.
| Hue family | Greens |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.115) |
| Temperature | in between |
| Nearest name | Seafoam Blue (#78D1B6) |
| Black text | 12.50:1 |
| White text | 1.67:1 |
Values
| HEX | #81DAA5 |
| RGB | rgb(129, 218, 165) |
| HSL | hsl(144, 55%, 68%) |
| OKLCH | oklch(81.8% 0.115 156.6) |
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 #81DAA5 | 1.67:1 | Fails | Lc -33.3 | Non-text elements, placeholder text |
| Black text on #81DAA5 | 12.50:1 | AAA | Lc 74.2 | Content text, not long reading |
| #81DAA5 text on white | 1.67:1 | Fails | Lc 29.6 | Dividers and decoration only |
| #81DAA5 text on black | 12.50:1 | AAA | Lc -73.3 | 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
#EEF9F1
oklch(97.2% 0.016 154.5)
-
Step 100
100
#D9F1E1
oklch(93.6% 0.033 156.5)
-
Step 200
200
#B8E6C8
oklch(88.4% 0.063 156.3)
-
Step 300
300 (this color)
#81DAA5
oklch(81.8% 0.115 156.6)
-
Step 400
400
#00BF73
oklch(70.8% 0.17 156.5)
-
Step 500
500
#00A462
oklch(63.2% 0.152 156.5)
-
Step 600
600
#008A52
oklch(55.7% 0.134 156.6)
-
Step 700
700
#007444
oklch(49.2% 0.118 156.6)
-
Step 800
800
#005F37
oklch(42.7% 0.102 156.7)
-
Step 900
900
#004F2D
oklch(37.6% 0.09 156.8)
-
Step 950
950
#002F19
oklch(26.9% 0.064 157.1)
#81DAA5 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) | #D9CDA2 | 0.106 |
| Deuteranopia (no green cones) | #CBC4A8 | 0.102 |
| Tritanopia (no blue cones) | #6ED9CB | 0.053 |
| Achromatopsia (no color) | #C8C8C8 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81DAA5
#81DAA5
oklch(81.8% 0.115 156.6)
- #F3A7DF
#F3A7DF
oklch(81.9% 0.114 336.6)
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 #81DAA5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seafoam Blue #78D1B6 ΔE 0.040
- Hospital Green #9BE5AA ΔE 0.042
- Light Teal #90E4C1 ΔE 0.045
- Medium Aquamarine #66CDAA ΔE 0.048
- Tiffany Blue #94D2BD ΔE 0.050
- Pale Teal #82CBB2 ΔE 0.051
- Aqua Marine #2EE8BB ΔE 0.054
- Pale Olive Green #B1D27B ΔE 0.062
Use #81DAA5 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.