#81ACA0
Closest named color: Pewter (#96A8A1). oklch(71% 0.05 175.8), rgb(129, 172, 160).
Aa
Black text reads best on this color (8.34:1).
About this color
#81ACA0 is a medium-light, muted teal or cyan. In OKLCH its lightness is 71%, its chroma 0.050 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Pewter (#96A8A1), ΔE 0.028 away. Black text reads best on it, at 8.34:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (71%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Pewter (#96A8A1) |
| Black text | 8.34:1 |
| White text | 2.51:1 |
Values
| HEX | #81ACA0 |
| RGB | rgb(129, 172, 160) |
| HSL | hsl(163, 21%, 59%) |
| OKLCH | oklch(71% 0.05 175.8) |
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 #81ACA0 | 2.51:1 | Fails | Lc -54.4 | Large or bold text, headings |
| Black text on #81ACA0 | 8.34:1 | AAA | Lc 54.7 | Large or bold text, headings |
| #81ACA0 text on white | 2.51:1 | Fails | Lc 49.4 | Large or bold text, headings |
| #81ACA0 text on black | 8.34:1 | AAA | Lc -52.6 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CEDDD8
oklch(88.5% 0.017 174)
-
Step 300
300
#ADC8C0
oklch(81% 0.031 175.7)
-
Step 400
400 (this color)
#81ACA0
oklch(71% 0.05 175.8)
-
Step 500
500
#5E9688
oklch(63% 0.063 176.5)
-
Step 600
600
#438172
oklch(55.7% 0.069 176)
-
Step 700
700
#346D5F
oklch(49.2% 0.065 175.4)
-
Step 800
800
#2C594E
oklch(42.8% 0.053 175.8)
-
Step 900
900
#284941
oklch(37.7% 0.041 176.6)
-
Step 950
950
#182B26
oklch(27.1% 0.027 175.7)
#81ACA0 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) | #A9A79F | 0.052 |
| Deuteranopia (no green cones) | #A1A1A1 | 0.050 |
| Tritanopia (no blue cones) | #76ADA8 | 0.015 |
| Achromatopsia (no color) | #A3A3A3 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81ACA0
#81ACA0
oklch(71% 0.05 175.8)
- #BC95A2
#BC95A2
oklch(71% 0.05 356.5)
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 #81ACA0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pewter #96A8A1 ΔE 0.028
- Muted Teal #90B494 ΔE 0.038
- Cool Grey #95A3A6 ΔE 0.038
- Bluegrey #85A3B2 ΔE 0.043
- Cool Steel #97A7B3 ΔE 0.046
- Grey Green #86A17D ΔE 0.048
- Bluey Grey #89A0B0 ΔE 0.049
- Cement #A5A391 ΔE 0.049
Use #81ACA0 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.