#ACAB33
Closest named color: Muddy Yellow (#BFAC05). oklch(72% 0.138 108.9), rgb(172, 171, 51).
Aa
Black text reads best on this color (8.62:1).
About this color
#ACAB33 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 72%, its chroma 0.138 and its hue 109°. Its hue sits on the warm side of the wheel. The nearest named color is Muddy Yellow (#BFAC05), ΔE 0.030 away. Black text reads best on it, at 8.62:1.
| Hue family | Yellows |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.138) |
| Temperature | warm |
| Nearest name | Muddy Yellow (#BFAC05) |
| Black text | 8.62:1 |
| White text | 2.43:1 |
Values
| HEX | #ACAB33 |
| RGB | rgb(172, 171, 51) |
| HSL | hsl(60, 54%, 44%) |
| OKLCH | oklch(72% 0.138 108.9) |
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 #ACAB33 | 2.43:1 | Fails | Lc -52.8 | Large or bold text, headings |
| Black text on #ACAB33 | 8.62:1 | AAA | Lc 56.2 | Large or bold text, headings |
| #ACAB33 text on white | 2.43:1 | Fails | Lc 47.8 | Large or bold text, headings |
| #ACAB33 text on black | 8.62:1 | AAA | Lc -54.2 | 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
#F6F6ED
oklch(97.1% 0.012 106.6)
-
Step 100
100
#EBECD9
oklch(93.7% 0.025 109.3)
-
Step 200
200
#DBDCB8
oklch(88.4% 0.048 108.6)
-
Step 300
300
#C5C684
oklch(81% 0.086 108.9)
-
Step 400
400 (this color)
#ACAB33
oklch(72% 0.138 108.9)
-
Step 500
500
#918F00
oklch(63.1% 0.137 108.8)
-
Step 600
600
#7A7800
oklch(55.6% 0.12 108.6)
-
Step 700
700
#666500
oklch(49.1% 0.107 109.1)
-
Step 800
800
#535200
oklch(42.6% 0.092 108.9)
-
Step 900
900
#454500
oklch(37.8% 0.082 109.8)
-
Step 950
950
#292800
oklch(26.9% 0.058 108.3)
#ACAB33 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) | #B9A41F | 0.024 |
| Deuteranopia (no green cones) | #BBA83C | 0.026 |
| Tritanopia (no blue cones) | #B8A093 | 0.124 |
| Achromatopsia (no color) | #A6A6A6 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACAB33
#ACAB33
oklch(72% 0.138 108.9)
- #A295F5
#A295F5
oklch(72% 0.137 288.7)
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 #ACAB33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muddy Yellow #BFAC05 ΔE 0.030
- Mustard Green #A8B504 ΔE 0.037
- Avocado #90B134 ΔE 0.040
- Pea Soup Green #94A617 ΔE 0.042
- Icky Green #8FAE22 ΔE 0.044
- Ocher #BF9B0C ΔE 0.045
- Pea Green #8EAB12 ΔE 0.048
- Ocre #C69C04 ΔE 0.050
Use #ACAB33 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.