#ACA42D
Closest named color: Brown Yellow (#B29705). oklch(70.4% 0.135 105.5), rgb(172, 164, 45).
Aa
Black text reads best on this color (8.10:1).
About this color
#ACA42D is a medium-light, moderately saturated yellow. In OKLCH its lightness is 70%, its chroma 0.135 and its hue 105°. 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 8.10:1.
| Hue family | Yellows |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.135) |
| Temperature | warm |
| Nearest name | Brown Yellow (#B29705) |
| Black text | 8.10:1 |
| White text | 2.59:1 |
Values
| HEX | #ACA42D |
| RGB | rgb(172, 164, 45) |
| HSL | hsl(56, 59%, 43%) |
| OKLCH | oklch(70.4% 0.135 105.5) |
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 #ACA42D | 2.59:1 | Fails | Lc -55.7 | Large or bold text, headings |
| Black text on #ACA42D | 8.10:1 | AAA | Lc 53.5 | Large or bold text, headings |
| #ACA42D text on white | 2.59:1 | Fails | Lc 50.5 | Large or bold text, headings |
| #ACA42D text on black | 8.10:1 | AAA | Lc -51.4 | 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
#ECEBD9
oklch(93.6% 0.024 104.3)
-
Step 200
200
#DDDCB8
oklch(88.6% 0.048 106)
-
Step 300
300
#C8C484
oklch(80.9% 0.084 105.1)
-
Step 400
400 (this color)
#ACA42D
oklch(70.4% 0.135 105.5)
-
Step 500
500
#958D00
oklch(63% 0.134 105.6)
-
Step 600
600
#7E7600
oklch(55.5% 0.118 104.9)
-
Step 700
700
#696300
oklch(49% 0.104 105.5)
-
Step 800
800
#565100
oklch(42.6% 0.091 105.5)
-
Step 900
900
#484300
oklch(37.6% 0.08 104.8)
-
Step 950
950
#2B2800
oklch(27.1% 0.058 105.3)
#ACA42D 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) | #B39E16 | 0.017 |
| Deuteranopia (no green cones) | #B6A336 | 0.018 |
| Tritanopia (no blue cones) | #B9998D | 0.122 |
| Achromatopsia (no color) | #A1A1A1 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACA42D
#ACA42D
oklch(70.4% 0.135 105.5)
- #9892F0
#9892F0
oklch(70.4% 0.135 285.3)
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 #ACA42D, closest first.
No curated palette has a color within ΔE 0.04 of #ACA42D.
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 0.039
- Muddy Yellow #BFAC05 ΔE 0.040
- Dark Gold #B59410 ΔE 0.041
- Yellow Brown #B79400 ΔE 0.041
- Ocre #C69C04 ΔE 0.041
- Yellow Ochre #CB9D06 ΔE 0.048
Use #ACA42D 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.