#ACA371
Closest named color: Dust (#B2996E). oklch(71.1% 0.068 99.2), rgb(172, 163, 113).
Aa
Black text reads best on this color (8.23:1).
About this color
#ACA371 is a medium-light, muted yellow. In OKLCH its lightness is 71%, its chroma 0.068 and its hue 99°. Its hue sits on the warm side of the wheel. The nearest named color is Dust (#B2996E), ΔE 0.027 away. Black text reads best on it, at 8.23:1.
| Hue family | Yellows |
| Lightness | medium-light (71%) |
| Chroma | muted (0.068) |
| Temperature | warm |
| Nearest name | Dust (#B2996E) |
| Black text | 8.23:1 |
| White text | 2.55:1 |
Values
| HEX | #ACA371 |
| RGB | rgb(172, 163, 113) |
| HSL | hsl(51, 26%, 56%) |
| OKLCH | oklch(71.1% 0.068 99.2) |
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 #ACA371 | 2.55:1 | Fails | Lc -55.1 | Large or bold text, headings |
| Black text on #ACA371 | 8.23:1 | AAA | Lc 54.1 | Large or bold text, headings |
| #ACA371 text on white | 2.55:1 | Fails | Lc 50.0 | Large or bold text, headings |
| #ACA371 text on black | 8.23:1 | AAA | Lc -52.0 | 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
#F6F6F1
oklch(97.2% 0.007 106.5)
-
Step 100
100
#ECEAE1
oklch(93.6% 0.012 96.4)
-
Step 200
200
#DDDAC8
oklch(88.6% 0.024 99.1)
-
Step 300
300
#C7C2A2
oklch(81% 0.044 100)
-
Step 400
400 (this color)
#ACA371
oklch(71.1% 0.068 99.2)
-
Step 500
500
#968A49
oklch(63% 0.087 99.1)
-
Step 600
600
#81742A
oklch(55.6% 0.095 99.3)
-
Step 700
700
#6D611C
oklch(49% 0.088 99.2)
-
Step 800
800
#594F1A
oklch(42.6% 0.073 98.5)
-
Step 900
900
#49421C
oklch(37.7% 0.057 99)
-
Step 950
950
#2B2711
oklch(27.1% 0.037 99.2)
#ACA371 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) | #ACA06E | 0.008 |
| Deuteranopia (no green cones) | #AFA473 | 0.006 |
| Tritanopia (no blue cones) | #B59C96 | 0.062 |
| Achromatopsia (no color) | #A2A2A2 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACA371
#ACA371
oklch(71.1% 0.068 99.2)
- #989ECD
#989ECD
oklch(71.1% 0.069 278.8)
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 #ACA371, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dust #B2996E ΔE 0.027
- Stone #ADA587 ΔE 0.028
- Taupe #B9A281 ΔE 0.031
- Bland #AFA88B ΔE 0.033
- Dark Beige #AC9362 ΔE 0.042
- Cement #A5A391 ΔE 0.043
- Camel #C69F59 ΔE 0.043
- Mushroom #BA9E88 ΔE 0.044
Use #ACA371 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.