#81BBB4
Closest named color: Muted Teal (#90B494). oklch(75% 0.061 186.5), rgb(129, 187, 180).
Aa
Black text reads best on this color (9.70:1).
About this color
#81BBB4 is a medium-light, muted teal or cyan. In OKLCH its lightness is 75%, its chroma 0.061 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Muted Teal (#90B494), ΔE 0.043 away. Black text reads best on it, at 9.70:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Muted Teal (#90B494) |
| Black text | 9.70:1 |
| White text | 2.16:1 |
Values
| HEX | #81BBB4 |
| RGB | rgb(129, 187, 180) |
| HSL | hsl(173, 30%, 62%) |
| OKLCH | oklch(75% 0.061 186.5) |
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 #81BBB4 | 2.16:1 | Fails | Lc -47.2 | Large or bold text, headings |
| Black text on #81BBB4 | 9.70:1 | AAA | Lc 61.5 | Content text, not long reading |
| #81BBB4 text on white | 2.16:1 | Fails | Lc 42.5 | Non-text elements, placeholder text |
| #81BBB4 text on black | 9.70:1 | AAA | Lc -59.7 | Large or bold text, headings |
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 400.
-
Step 50
50
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#CADEDB
oklch(88.5% 0.022 186)
-
Step 300
300
#A6C9C4
oklch(80.9% 0.038 185.9)
-
Step 400
400 (this color)
#81BBB4
oklch(75% 0.061 186.5)
-
Step 500
500
#4B9991
oklch(63.1% 0.078 186.6)
-
Step 600
600
#28837B
oklch(55.5% 0.084 186.6)
-
Step 700
700
#186F68
oklch(49.1% 0.079 186.8)
-
Step 800
800
#185A55
oklch(42.6% 0.065 187.7)
-
Step 900
900
#1C4A46
oklch(37.6% 0.051 187.5)
-
Step 950
950
#122C29
oklch(27.1% 0.033 185.7)
#81BBB4 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) | #B5B5B4 | 0.065 |
| Deuteranopia (no green cones) | #AAADB5 | 0.061 |
| Tritanopia (no blue cones) | #6EBEB9 | 0.019 |
| Achromatopsia (no color) | #B0B0B0 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81BBB4
#81BBB4
oklch(75% 0.061 186.5)
- #D19EA8
#D19EA8
oklch(75% 0.062 5.6)
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 #81BBB4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Teal #90B494 ΔE 0.043
- Pale Teal #82CBB2 ΔE 0.047
- Pewter #96A8A1 ΔE 0.053
- Dark Sea Green #8FBC8F ΔE 0.053
- French Gray #ADB5BD ΔE 0.059
- Cool Steel #97A7B3 ΔE 0.059
- Light Grey Blue #9DBCD4 ΔE 0.060
- Medium Aquamarine #66CDAA ΔE 0.061
Use #81BBB4 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.