#ACA424
Closest named color: Brown Yellow (#B29705). oklch(70.4% 0.14 105.7), rgb(172, 164, 36).
Aa
Black text reads best on this color (8.08:1).
About this color
#ACA424 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 70%, its chroma 0.140 and its hue 106°. Its hue sits on the warm side of the wheel. The nearest named color is Brown Yellow (#B29705), ΔE 0.033 away. Black text reads best on it, at 8.08:1.
| Hue family | Yellows |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.140) |
| Temperature | warm |
| Nearest name | Brown Yellow (#B29705) |
| Black text | 8.08:1 |
| White text | 2.59:1 |
Values
| HEX | #ACA424 |
| RGB | rgb(172, 164, 36) |
| HSL | hsl(56, 65%, 41%) |
| OKLCH | oklch(70.4% 0.14 105.7) |
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 #ACA424 | 2.59:1 | Fails | Lc -55.7 | Large or bold text, headings |
| Black text on #ACA424 | 8.08:1 | AAA | Lc 53.4 | Large or bold text, headings |
| #ACA424 text on white | 2.59:1 | Fails | Lc 50.6 | Large or bold text, headings |
| #ACA424 text on black | 8.08:1 | AAA | Lc -51.3 | 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
#ECEBD8
oklch(93.6% 0.025 104.4)
-
Step 200
200
#DDDCB7
oklch(88.6% 0.049 106.1)
-
Step 300
300
#C8C482
oklch(80.8% 0.086 105.2)
-
Step 400
400 (this color)
#ACA424
oklch(70.4% 0.14 105.7)
-
Step 500
500
#958D00
oklch(63% 0.134 105.6)
-
Step 600
600
#7D7700
oklch(55.7% 0.119 106.2)
-
Step 700
700
#696300
oklch(49% 0.104 105.5)
-
Step 800
800
#565100
oklch(42.6% 0.091 105.5)
-
Step 900
900
#484400
oklch(37.8% 0.081 105.9)
-
Step 950
950
#2A2800
oklch(27% 0.058 106.8)
#ACA424 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) | #B39E00 | 0.017 |
| Deuteranopia (no green cones) | #B6A32F | 0.018 |
| Tritanopia (no blue cones) | #B9988C | 0.127 |
| Achromatopsia (no color) | #A1A1A1 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACA424
#ACA424
oklch(70.4% 0.14 105.7)
- #9991F2
#9991F2
oklch(70.4% 0.14 286)
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 #ACA424, closest first.
No curated palette has a color within ΔE 0.04 of #ACA424.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brown Yellow #B29705 ΔE 0.033
- Ocher #BF9B0C ΔE 0.034
- Pea Soup Green #94A617 ΔE 0.037
- Muddy Yellow #BFAC05 ΔE 0.038
- Dark Gold #B59410 ΔE 0.042
- Yellow Brown #B79400 ΔE 0.042
- Ocre #C69C04 ΔE 0.042
- Icky Green #8FAE22 ΔE 0.047
Use #ACA424 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.