#AC9F91
Closest named color: Cement (#A5A391). oklch(71% 0.025 69.5), rgb(172, 159, 145).
Aa
Black text reads best on this color (8.12:1).
About this color
#AC9F91 is a medium-light close to neutral grey. In OKLCH its lightness is 71%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Cement (#A5A391), ΔE 0.014 away. Black text reads best on it, at 8.12:1.
| Hue family | Neutrals |
| Lightness | medium-light (71%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Cement (#A5A391) |
| Black text | 8.12:1 |
| White text | 2.58:1 |
Values
| HEX | #AC9F91 |
| RGB | rgb(172, 159, 145) |
| HSL | hsl(31, 14%, 62%) |
| OKLCH | oklch(71% 0.025 69.5) |
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 #AC9F91 | 2.58:1 | Fails | Lc -55.7 | Large or bold text, headings |
| Black text on #AC9F91 | 8.12:1 | AAA | Lc 53.5 | Large or bold text, headings |
| #AC9F91 text on white | 2.58:1 | Fails | Lc 50.6 | Large or bold text, headings |
| #AC9F91 text on black | 8.12:1 | AAA | Lc -51.4 | 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
#F6F5F4
oklch(97.1% 0.002 67.8)
-
Step 100
100
#ECE9E7
oklch(93.6% 0.004 56.4)
-
Step 200
200
#DDD8D3
oklch(88.5% 0.009 67.7)
-
Step 300
300
#C7BFB6
oklch(80.9% 0.015 70.9)
-
Step 400
400 (this color)
#AC9F91
oklch(71% 0.025 69.5)
-
Step 500
500
#978675
oklch(63.1% 0.032 67.2)
-
Step 600
600
#81705E
oklch(55.6% 0.034 68.6)
-
Step 700
700
#6D5E4D
oklch(49.2% 0.032 70.5)
-
Step 800
800
#594D3F
oklch(42.8% 0.027 71.3)
-
Step 900
900
#494036
oklch(37.8% 0.021 70.1)
-
Step 950
950
#2B2520
oklch(26.9% 0.013 62.1)
#AC9F91 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) | #A49F90 | 0.012 |
| Deuteranopia (no green cones) | #A7A291 | 0.011 |
| Tritanopia (no blue cones) | #B19C9B | 0.021 |
| Achromatopsia (no color) | #A1A1A1 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC9F91
#AC9F91
oklch(71% 0.025 69.5)
- #96A3B1
#96A3B1
oklch(71% 0.025 250.2)
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 #AC9F91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cement #A5A391 ΔE 0.014
- Mushroom #BA9E88 ΔE 0.023
- Stone #ADA587 ΔE 0.025
- Bland #AFA88B ΔE 0.029
- Taupe #B9A281 ΔE 0.032
- Dark Gray #A9A9A9 ΔE 0.035
- Pewter #96A8A1 ΔE 0.037
- Cool Grey #95A3A6 ΔE 0.040
Use #AC9F91 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.