#ACAB45
Closest named color: Muddy Yellow (#BFAC05). oklch(72.2% 0.124 108.6), rgb(172, 171, 69).
Aa
Black text reads best on this color (8.66:1).
About this color
#ACAB45 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 72%, its chroma 0.124 and its hue 109°. Its hue sits on the warm side of the wheel. The nearest named color is Muddy Yellow (#BFAC05), ΔE 0.038 away. Black text reads best on it, at 8.66:1.
| Hue family | Yellows |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.124) |
| Temperature | warm |
| Nearest name | Muddy Yellow (#BFAC05) |
| Black text | 8.66:1 |
| White text | 2.42:1 |
Values
| HEX | #ACAB45 |
| RGB | rgb(172, 171, 69) |
| HSL | hsl(59, 43%, 47%) |
| OKLCH | oklch(72.2% 0.124 108.6) |
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 #ACAB45 | 2.42:1 | Fails | Lc -52.6 | Large or bold text, headings |
| Black text on #ACAB45 | 8.66:1 | AAA | Lc 56.4 | Large or bold text, headings |
| #ACAB45 text on white | 2.42:1 | Fails | Lc 47.6 | Large or bold text, headings |
| #ACAB45 text on black | 8.66:1 | AAA | Lc -54.4 | 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
#EBEBDA
oklch(93.5% 0.023 106.8)
-
Step 200
200
#DBDCBC
oklch(88.5% 0.043 108.7)
-
Step 300
300
#C4C58A
oklch(80.8% 0.078 108.8)
-
Step 400
400 (this color)
#ACAB45
oklch(72.2% 0.124 108.6)
-
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
#545200
oklch(42.7% 0.092 108.1)
-
Step 900
900
#464400
oklch(37.6% 0.081 107.8)
-
Step 950
950
#292800
oklch(26.9% 0.058 108.3)
#ACAB45 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) | #B8A439 | 0.023 |
| Deuteranopia (no green cones) | #BAA84B | 0.024 |
| Tritanopia (no blue cones) | #B7A195 | 0.111 |
| Achromatopsia (no color) | #A6A6A6 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACAB45
#ACAB45
oklch(72.2% 0.124 108.6)
- #A298EE
#A298EE
oklch(72.2% 0.123 288.2)
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 #ACAB45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muddy Yellow #BFAC05 ΔE 0.038
- Avocado #90B134 ΔE 0.047
- Ocher #BF9B0C ΔE 0.047
- Mustard Green #A8B504 ΔE 0.048
- Light Olive Green #A4BE5C ΔE 0.049
- Pea Soup Green #94A617 ΔE 0.050
- Ocre #C69C04 ΔE 0.051
- Icky Green #8FAE22 ΔE 0.052
Use #ACAB45 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.