#ACA66F
Closest named color: Stone (#ADA587). oklch(71.7% 0.074 102.8), rgb(172, 166, 111).
Aa
Black text reads best on this color (8.43:1).
About this color
#ACA66F is a medium-light, moderately saturated yellow. In OKLCH its lightness is 72%, its chroma 0.074 and its hue 103°. Its hue sits on the warm side of the wheel. The nearest named color is Stone (#ADA587), ΔE 0.033 away. Black text reads best on it, at 8.43:1.
| Hue family | Yellows |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.074) |
| Temperature | warm |
| Nearest name | Stone (#ADA587) |
| Black text | 8.43:1 |
| White text | 2.48:1 |
Values
| HEX | #ACA66F |
| RGB | rgb(172, 166, 111) |
| HSL | hsl(54, 27%, 55%) |
| OKLCH | oklch(71.7% 0.074 102.8) |
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 #ACA66F | 2.48:1 | Fails | Lc -53.9 | Large or bold text, headings |
| Black text on #ACA66F | 8.43:1 | AAA | Lc 55.1 | Large or bold text, headings |
| #ACA66F text on white | 2.48:1 | Fails | Lc 48.9 | Large or bold text, headings |
| #ACA66F text on black | 8.43:1 | AAA | Lc -53.1 | 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
#EBEAE0
oklch(93.5% 0.013 102)
-
Step 200
200
#DCDAC7
oklch(88.5% 0.026 102)
-
Step 300
300
#C6C2A0
oklch(80.8% 0.046 101.8)
-
Step 400
400 (this color)
#ACA66F
oklch(71.7% 0.074 102.8)
-
Step 500
500
#948C43
oklch(63.1% 0.095 103.1)
-
Step 600
600
#7F7521
oklch(55.6% 0.103 102.4)
-
Step 700
700
#6B6212
oklch(49% 0.096 102.5)
-
Step 800
800
#575013
oklch(42.6% 0.079 102.6)
-
Step 900
900
#484318
oklch(37.8% 0.062 102.7)
-
Step 950
950
#2A270F
oklch(26.9% 0.039 102.2)
#ACA66F 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) | #B0A26B | 0.011 |
| Deuteranopia (no green cones) | #B2A671 | 0.010 |
| Tritanopia (no blue cones) | #B59F98 | 0.067 |
| Achromatopsia (no color) | #A4A4A4 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACA66F
#ACA66F
oklch(71.7% 0.074 102.8)
- #9C9ED1
#9C9ED1
oklch(71.6% 0.074 282.6)
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 #ACA66F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stone #ADA587 ΔE 0.033
- Dust #B2996E ΔE 0.036
- Taupe #B9A281 ΔE 0.036
- Bland #AFA88B ΔE 0.036
- Camel #C69F59 ΔE 0.042
- Sand Brown #CBA560 ΔE 0.047
- Putty #BEAE8A ΔE 0.047
- Toupe #C7AC7D ΔE 0.048
Use #ACA66F 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.