#ACA378
Closest named color: Stone (#ADA587). oklch(71.2% 0.06 97.7), rgb(172, 163, 120).
Aa
Black text reads best on this color (8.26:1).
About this color
#ACA378 is a medium-light, muted yellow. In OKLCH its lightness is 71%, its chroma 0.060 and its hue 98°. Its hue sits on the warm side of the wheel. The nearest named color is Stone (#ADA587), ΔE 0.019 away. Black text reads best on it, at 8.26:1.
| Hue family | Yellows |
| Lightness | medium-light (71%) |
| Chroma | muted (0.060) |
| Temperature | warm |
| Nearest name | Stone (#ADA587) |
| Black text | 8.26:1 |
| White text | 2.54:1 |
Values
| HEX | #ACA378 |
| RGB | rgb(172, 163, 120) |
| HSL | hsl(50, 24%, 57%) |
| OKLCH | oklch(71.2% 0.06 97.7) |
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 #ACA378 | 2.54:1 | Fails | Lc -54.9 | Large or bold text, headings |
| Black text on #ACA378 | 8.26:1 | AAA | Lc 54.2 | Large or bold text, headings |
| #ACA378 text on white | 2.54:1 | Fails | Lc 49.8 | Large or bold text, headings |
| #ACA378 text on black | 8.26:1 | AAA | Lc -52.2 | 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
#DCD9CA
oklch(88.4% 0.02 97.6)
-
Step 300
300
#C7C1A6
oklch(80.9% 0.037 96.8)
-
Step 400
400 (this color)
#ACA378
oklch(71.2% 0.06 97.7)
-
Step 500
500
#968A53
oklch(63.1% 0.076 97.4)
-
Step 600
600
#807436
oklch(55.6% 0.084 98.5)
-
Step 700
700
#6D6129
oklch(49.2% 0.077 97.3)
-
Step 800
800
#584F23
oklch(42.6% 0.064 97.9)
-
Step 900
900
#494222
oklch(37.8% 0.049 97.3)
-
Step 950
950
#2B2714
oklch(27.2% 0.032 97.8)
#ACA378 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) | #ABA075 | 0.008 |
| Deuteranopia (no green cones) | #AEA479 | 0.004 |
| Tritanopia (no blue cones) | #B49D98 | 0.054 |
| Achromatopsia (no color) | #A2A2A2 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACA378
#ACA378
oklch(71.2% 0.06 97.7)
- #999FC8
#999FC8
oklch(71.2% 0.06 278.2)
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 #ACA378, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stone #ADA587 ΔE 0.019
- Taupe #B9A281 ΔE 0.025
- Bland #AFA88B ΔE 0.026
- Dust #B2996E ΔE 0.026
- Cement #A5A391 ΔE 0.034
- Mushroom #BA9E88 ΔE 0.037
- Dark Beige #AC9362 ΔE 0.043
- Putty #BEAE8A ΔE 0.045
Use #ACA378 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.