#ACA381
Closest named color: Stone (#ADA587). oklch(71.4% 0.048 95), rgb(172, 163, 129).
Aa
Black text reads best on this color (8.31:1).
About this color
#ACA381 is a medium-light, muted yellow. In OKLCH its lightness is 71%, its chroma 0.048 and its hue 95°. Its hue sits on the warm side of the wheel. The nearest named color is Stone (#ADA587), ΔE 0.009 away. Black text reads best on it, at 8.31:1.
| Hue family | Yellows |
| Lightness | medium-light (71%) |
| Chroma | muted (0.048) |
| Temperature | warm |
| Nearest name | Stone (#ADA587) |
| Black text | 8.31:1 |
| White text | 2.52:1 |
Values
| HEX | #ACA381 |
| RGB | rgb(172, 163, 129) |
| HSL | hsl(47, 21%, 59%) |
| OKLCH | oklch(71.4% 0.048 95) |
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 #ACA381 | 2.52:1 | Fails | Lc -54.6 | Large or bold text, headings |
| Black text on #ACA381 | 8.31:1 | AAA | Lc 54.5 | Large or bold text, headings |
| #ACA381 text on white | 2.52:1 | Fails | Lc 49.6 | Large or bold text, headings |
| #ACA381 text on black | 8.31:1 | AAA | Lc -52.4 | 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
#F6F5F2
oklch(97% 0.004 91.4)
-
Step 100
100
#EBEAE3
oklch(93.6% 0.009 100)
-
Step 200
200
#DCD9CD
oklch(88.4% 0.017 95.2)
-
Step 300
300
#C6C1AB
oklch(80.9% 0.031 96.5)
-
Step 400
400 (this color)
#ACA381
oklch(71.4% 0.048 95)
-
Step 500
500
#95895E
oklch(63% 0.061 94.4)
-
Step 600
600
#7F7344
oklch(55.5% 0.067 95.5)
-
Step 700
700
#6C6036
oklch(49% 0.062 93.9)
-
Step 800
800
#584F2D
oklch(42.8% 0.052 95)
-
Step 900
900
#484128
oklch(37.5% 0.04 94.3)
-
Step 950
950
#2A2618
oklch(26.9% 0.025 94.1)
#ACA381 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) | #AAA17F | 0.006 |
| Deuteranopia (no green cones) | #ADA482 | 0.003 |
| Tritanopia (no blue cones) | #B39E9A | 0.044 |
| Achromatopsia (no color) | #A3A3A3 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACA381
#ACA381
oklch(71.4% 0.048 95)
- #9AA1C2
#9AA1C2
oklch(71.5% 0.049 275.7)
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 #ACA381, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stone #ADA587 ΔE 0.009
- Bland #AFA88B ΔE 0.017
- Taupe #B9A281 ΔE 0.019
- Cement #A5A391 ΔE 0.023
- Mushroom #BA9E88 ΔE 0.028
- Dust #B2996E ΔE 0.030
- Putty #BEAE8A ΔE 0.042
- Pale Brown #B1916E ΔE 0.046
Use #ACA381 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.