#ACA04F
Closest named color: Brown Yellow (#B29705). oklch(69.9% 0.104 101), rgb(172, 160, 79).
Aa
Black text reads best on this color (7.89:1).
About this color
#ACA04F is a medium-light, moderately saturated yellow. In OKLCH its lightness is 70%, its chroma 0.104 and its hue 101°. Its hue sits on the warm side of the wheel. The nearest named color is Brown Yellow (#B29705), ΔE 0.041 away. Black text reads best on it, at 7.89:1.
| Hue family | Yellows |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.104) |
| Temperature | warm |
| Nearest name | Brown Yellow (#B29705) |
| Black text | 7.89:1 |
| White text | 2.65:1 |
Values
| HEX | #ACA04F |
| RGB | rgb(172, 160, 79) |
| HSL | hsl(52, 37%, 49%) |
| OKLCH | oklch(69.9% 0.104 101) |
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 #ACA04F | 2.65:1 | Fails | Lc -56.9 | Large or bold text, headings |
| Black text on #ACA04F | 7.89:1 | AAA | Lc 52.3 | Large or bold text, headings |
| #ACA04F text on white | 2.65:1 | Fails | Lc 51.7 | Large or bold text, headings |
| #ACA04F text on black | 7.89:1 | AAA | Lc -50.2 | 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
#F6F6EF
oklch(97.1% 0.009 106.6)
-
Step 100
100
#ECEADC
oklch(93.5% 0.019 100.1)
-
Step 200
200
#DEDAC0
oklch(88.5% 0.035 99.9)
-
Step 300
300
#C9C292
oklch(80.8% 0.064 100.7)
-
Step 400
400 (this color)
#ACA04F
oklch(69.9% 0.104 101)
-
Step 500
500
#9B8B00
oklch(63.1% 0.132 101.2)
-
Step 600
600
#827400
oklch(55.5% 0.116 101)
-
Step 700
700
#6E6200
oklch(49.2% 0.103 101)
-
Step 800
800
#5A5000
oklch(42.8% 0.089 101.1)
-
Step 900
900
#4B4200
oklch(37.7% 0.078 100.6)
-
Step 950
950
#2C2701
oklch(27% 0.055 101.9)
#ACA04F 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) | #AD9C47 | 0.011 |
| Deuteranopia (no green cones) | #B0A153 | 0.008 |
| Tritanopia (no blue cones) | #B8968E | 0.096 |
| Achromatopsia (no color) | #9F9F9F | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACA04F
#ACA04F
oklch(69.9% 0.104 101)
- #9396DD
#9396DD
oklch(69.8% 0.104 281.5)
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 #ACA04F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brown Yellow #B29705 ΔE 0.041
- Dark Gold #B59410 ΔE 0.042
- Ocher #BF9B0C ΔE 0.043
- Camel #C69F59 ΔE 0.044
- Yellow Brown #B79400 ΔE 0.045
- Dark Beige #AC9362 ΔE 0.048
- Dust #B2996E ΔE 0.048
- Ocre #C69C04 ΔE 0.050
Use #ACA04F 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.