#ACA178
Closest named color: Stone (#ADA587). oklch(70.8% 0.058 94.9), rgb(172, 161, 120).
Aa
Black text reads best on this color (8.12:1).
About this color
#ACA178 is a medium-light, muted yellow. In OKLCH its lightness is 71%, its chroma 0.058 and its hue 95°. Its hue sits on the warm side of the wheel. The nearest named color is Stone (#ADA587), ΔE 0.020 away. Black text reads best on it, at 8.12:1.
| Hue family | Yellows |
| Lightness | medium-light (71%) |
| Chroma | muted (0.058) |
| Temperature | warm |
| Nearest name | Stone (#ADA587) |
| Black text | 8.12:1 |
| White text | 2.58:1 |
Values
| HEX | #ACA178 |
| RGB | rgb(172, 161, 120) |
| HSL | hsl(47, 24%, 57%) |
| OKLCH | oklch(70.8% 0.058 94.9) |
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 #ACA178 | 2.58:1 | Fails | Lc -55.7 | Large or bold text, headings |
| Black text on #ACA178 | 8.12:1 | AAA | Lc 53.5 | Large or bold text, headings |
| #ACA178 text on white | 2.58:1 | Fails | Lc 50.5 | Large or bold text, headings |
| #ACA178 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
#F6F5F2
oklch(97% 0.004 91.4)
-
Step 100
100
#ECEAE2
oklch(93.6% 0.011 95.2)
-
Step 200
200
#DDD9CB
oklch(88.5% 0.019 93.7)
-
Step 300
300
#C8C1A7
oklch(81% 0.036 94.6)
-
Step 400
400 (this color)
#ACA178
oklch(70.8% 0.058 94.9)
-
Step 500
500
#978954
oklch(63% 0.074 95.1)
-
Step 600
600
#827339
oklch(55.7% 0.08 95.1)
-
Step 700
700
#6E602B
oklch(49.1% 0.074 94.7)
-
Step 800
800
#5A4F25
oklch(42.9% 0.062 94.9)
-
Step 900
900
#4A4123
oklch(37.7% 0.047 93.2)
-
Step 950
950
#2B2615
oklch(26.9% 0.03 93.6)
#ACA178 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) | #AA9F75 | 0.007 |
| Deuteranopia (no green cones) | #ADA379 | 0.006 |
| Tritanopia (no blue cones) | #B49B96 | 0.052 |
| Achromatopsia (no color) | #A1A1A1 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACA178
#ACA178
oklch(70.8% 0.058 94.9)
- #969FC5
#969FC5
oklch(70.9% 0.056 274.5)
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 #ACA178, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stone #ADA587 ΔE 0.020
- Dust #B2996E ΔE 0.022
- Taupe #B9A281 ΔE 0.024
- Bland #AFA88B ΔE 0.027
- Cement #A5A391 ΔE 0.033
- Mushroom #BA9E88 ΔE 0.035
- Dark Beige #AC9362 ΔE 0.039
- Pale Brown #B1916E ΔE 0.041
Use #ACA178 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.