#ACA02C
Closest named color: Brown Yellow (#B29705). oklch(69.6% 0.132 103.3), rgb(172, 160, 44).
Aa
Black text reads best on this color (7.81:1).
About this color
#ACA02C is a medium-light, moderately saturated yellow. In OKLCH its lightness is 70%, its chroma 0.132 and its hue 103°. Its hue sits on the warm side of the wheel. The nearest named color is Brown Yellow (#B29705), ΔE 0.024 away. Black text reads best on it, at 7.81:1.
| Hue family | Yellows |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.132) |
| Temperature | warm |
| Nearest name | Brown Yellow (#B29705) |
| Black text | 7.81:1 |
| White text | 2.68:1 |
Values
| HEX | #ACA02C |
| RGB | rgb(172, 160, 44) |
| HSL | hsl(54, 59%, 42%) |
| OKLCH | oklch(69.6% 0.132 103.3) |
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 #ACA02C | 2.68:1 | Fails | Lc -57.2 | Large or bold text, headings |
| Black text on #ACA02C | 7.81:1 | AAA | Lc 52.0 | Large or bold text, headings |
| #ACA02C text on white | 2.68:1 | Fails | Lc 52.0 | Large or bold text, headings |
| #ACA02C text on black | 7.81:1 | AAA | Lc -49.8 | 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
#F6F6EE
oklch(97.1% 0.011 106.6)
-
Step 100
100
#ECEBD9
oklch(93.6% 0.024 104.3)
-
Step 200
200
#DEDBB9
oklch(88.5% 0.045 103.1)
-
Step 300
300
#CAC385
oklch(80.8% 0.081 102.5)
-
Step 400
400 (this color)
#ACA02C
oklch(69.6% 0.132 103.3)
-
Step 500
500
#988C00
oklch(63.1% 0.133 103.5)
-
Step 600
600
#807500
oklch(55.5% 0.117 103)
-
Step 700
700
#6C6300
oklch(49.3% 0.104 103.3)
-
Step 800
800
#585000
oklch(42.6% 0.089 102.9)
-
Step 900
900
#494300
oklch(37.7% 0.08 103.8)
-
Step 950
950
#2C2700
oklch(27% 0.057 102.1)
#ACA02C 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) | #AF9B16 | 0.014 |
| Deuteranopia (no green cones) | #B3A034 | 0.013 |
| Tritanopia (no blue cones) | #B9958A | 0.120 |
| Achromatopsia (no color) | #9E9E9E | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACA02C
#ACA02C
oklch(69.6% 0.132 103.3)
- #9391EC
#9391EC
oklch(69.6% 0.132 283.4)
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 #ACA02C, closest first.
No curated palette has a color within ΔE 0.04 of #ACA02C.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brown Yellow #B29705 ΔE 0.024
- Ocher #BF9B0C ΔE 0.030
- Dark Gold #B59410 ΔE 0.031
- Yellow Brown #B79400 ΔE 0.032
- Ocre #C69C04 ΔE 0.040
- Pea Soup Green #94A617 ΔE 0.042
- Ochre #BF9005 ΔE 0.046
- Yellow Ochre #CB9D06 ΔE 0.047
Use #ACA02C 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.