#81D5BB
Closest named color: Seafoam Blue (#78D1B6). oklch(81.2% 0.091 172.2), rgb(129, 213, 187).
Aa
Black text reads best on this color (12.16:1).
About this color
#81D5BB is a light, moderately saturated teal or cyan. In OKLCH its lightness is 81%, its chroma 0.091 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Seafoam Blue (#78D1B6), ΔE 0.016 away. Black text reads best on it, at 12.16:1.
| Hue family | Teals and cyans |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Seafoam Blue (#78D1B6) |
| Black text | 12.16:1 |
| White text | 1.72:1 |
Values
| HEX | #81D5BB |
| RGB | rgb(129, 213, 187) |
| HSL | hsl(161, 50%, 67%) |
| OKLCH | oklch(81.2% 0.091 172.2) |
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 #81D5BB | 1.72:1 | Fails | Lc -34.9 | Non-text elements, placeholder text |
| Black text on #81D5BB | 12.16:1 | AAA | Lc 72.8 | Content text, not long reading |
| #81D5BB text on white | 1.72:1 | Fails | Lc 31.1 | Non-text elements, placeholder text |
| #81D5BB text on black | 12.16:1 | AAA | Lc -71.7 | 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
#EEF8F4
oklch(97.1% 0.012 170.3)
-
Step 100
100
#D9F0E8
oklch(93.6% 0.026 172.9)
-
Step 200
200
#B8E5D5
oklch(88.6% 0.052 171.4)
-
Step 300
300 (this color)
#81D5BB
oklch(81.2% 0.091 172.2)
-
Step 400
400
#00BB97
oklch(70.6% 0.136 172.4)
-
Step 500
500
#00A181
oklch(63.2% 0.122 172)
-
Step 600
600
#00876C
oklch(55.5% 0.108 172.1)
-
Step 700
700
#00725B
oklch(49.2% 0.095 172.3)
-
Step 800
800
#005D4A
oklch(42.6% 0.082 172.5)
-
Step 900
900
#004E3D
oklch(37.8% 0.073 171.8)
-
Step 950
950
#002E24
oklch(26.9% 0.051 173.7)
#81D5BB 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) | #D0CBBA | 0.094 |
| Deuteranopia (no green cones) | #C2C1BD | 0.090 |
| Tritanopia (no blue cones) | #67D6CD | 0.030 |
| Achromatopsia (no color) | #C5C5C5 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81D5BB
#81D5BB
oklch(81.2% 0.091 172.2)
- #F0AAC7
#F0AAC7
oklch(81.3% 0.09 352.7)
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 #81D5BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seafoam Blue #78D1B6 ΔE 0.016
- Tiffany Blue #94D2BD ΔE 0.021
- Pale Teal #82CBB2 ΔE 0.027
- Medium Aquamarine #66CDAA ΔE 0.041
- Light Teal #90E4C1 ΔE 0.045
- Turquoise #40E0D0 ΔE 0.048
- Medium Turquoise #48D1CC ΔE 0.050
- Hospital Green #9BE5AA ΔE 0.063
Use #81D5BB 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.