#81ACAA
Closest named color: Pewter (#96A8A1). oklch(71.3% 0.046 192.6), rgb(129, 172, 170).
Aa
Black text reads best on this color (8.41:1).
About this color
#81ACAA is a medium-light, muted teal or cyan. In OKLCH its lightness is 71%, its chroma 0.046 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Pewter (#96A8A1), ΔE 0.027 away. Black text reads best on it, at 8.41:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (71%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Pewter (#96A8A1) |
| Black text | 8.41:1 |
| White text | 2.49:1 |
Values
| HEX | #81ACAA |
| RGB | rgb(129, 172, 170) |
| HSL | hsl(177, 21%, 59%) |
| OKLCH | oklch(71.3% 0.046 192.6) |
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 #81ACAA | 2.49:1 | Fails | Lc -54.0 | Large or bold text, headings |
| Black text on #81ACAA | 8.41:1 | AAA | Lc 55.0 | Large or bold text, headings |
| #81ACAA text on white | 2.49:1 | Fails | Lc 49.0 | Large or bold text, headings |
| #81ACAA text on black | 8.41:1 | AAA | Lc -53.0 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEB
oklch(93.7% 0.009 188.1)
-
Step 200
200
#CEDDDC
oklch(88.6% 0.016 192)
-
Step 300
300
#ACC7C5
oklch(80.9% 0.029 191.1)
-
Step 400
400 (this color)
#81ACAA
oklch(71.3% 0.046 192.6)
-
Step 500
500
#5D9593
oklch(63.1% 0.059 192.9)
-
Step 600
600
#417F7D
oklch(55.5% 0.064 192.7)
-
Step 700
700
#336C6A
oklch(49.2% 0.06 192.3)
-
Step 800
800
#2B5856
oklch(42.8% 0.05 191.7)
-
Step 900
900
#284847
oklch(37.7% 0.038 193.1)
-
Step 950
950
#182A2A
oklch(26.9% 0.024 195.8)
#81ACAA 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) | #A7A8AA | 0.049 |
| Deuteranopia (no green cones) | #9EA1AA | 0.046 |
| Tritanopia (no blue cones) | #73AFAB | 0.016 |
| Achromatopsia (no color) | #A4A4A4 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81ACAA
#81ACAA
oklch(71.3% 0.046 192.6)
- #BD979A
#BD979A
oklch(71.2% 0.046 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 #81ACAA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pewter #96A8A1 ΔE 0.027
- Bluegrey #85A3B2 ΔE 0.032
- Cool Grey #95A3A6 ΔE 0.032
- Cool Steel #97A7B3 ΔE 0.035
- Bluey Grey #89A0B0 ΔE 0.039
- Greyblue #77A1B5 ΔE 0.042
- Muted Teal #90B494 ΔE 0.048
- Dark Gray #A9A9A9 ΔE 0.051
Use #81ACAA 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.