#ACA537
Closest named color: Ocher (#BF9B0C). oklch(70.7% 0.129 105.7), rgb(172, 165, 55).
Aa
Black text reads best on this color (8.19:1).
About this color
#ACA537 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 71%, its chroma 0.129 and its hue 106°. Its hue sits on the warm side of the wheel. The nearest named color is Ocher (#BF9B0C), ΔE 0.035 away. Black text reads best on it, at 8.19:1.
| Hue family | Yellows |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.129) |
| Temperature | warm |
| Nearest name | Ocher (#BF9B0C) |
| Black text | 8.19:1 |
| White text | 2.56:1 |
Values
| HEX | #ACA537 |
| RGB | rgb(172, 165, 55) |
| HSL | hsl(56, 52%, 45%) |
| OKLCH | oklch(70.7% 0.129 105.7) |
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 #ACA537 | 2.56:1 | Fails | Lc -55.2 | Large or bold text, headings |
| Black text on #ACA537 | 8.19:1 | AAA | Lc 53.9 | Large or bold text, headings |
| #ACA537 text on white | 2.56:1 | Fails | Lc 50.1 | Large or bold text, headings |
| #ACA537 text on black | 8.19:1 | AAA | Lc -51.9 | 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
#ECEBDA
oklch(93.6% 0.023 104.1)
-
Step 200
200
#DDDBBA
oklch(88.4% 0.044 104.4)
-
Step 300
300
#C7C487
oklch(80.8% 0.08 105.7)
-
Step 400
400 (this color)
#ACA537
oklch(70.7% 0.129 105.7)
-
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)
#ACA537 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) | #B39F27 | 0.017 |
| Deuteranopia (no green cones) | #B6A43E | 0.017 |
| Tritanopia (no blue cones) | #B99A8F | 0.118 |
| Achromatopsia (no color) | #A2A2A2 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACA537
#ACA537
oklch(70.7% 0.129 105.7)
- #9A94ED
#9A94ED
oklch(70.8% 0.128 285.7)
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 #ACA537, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocher #BF9B0C ΔE 0.035
- Brown Yellow #B29705 ΔE 0.036
- Muddy Yellow #BFAC05 ΔE 0.040
- Ocre #C69C04 ΔE 0.042
- Pea Soup Green #94A617 ΔE 0.043
- Dark Gold #B59410 ΔE 0.043
- Yellow Brown #B79400 ΔE 0.044
- Yellow Ochre #CB9D06 ΔE 0.048
Use #ACA537 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.