#ACA640
Closest named color: Ocher (#BF9B0C). oklch(71% 0.123 105.9), rgb(172, 166, 64).
Aa
Black text reads best on this color (8.28:1).
About this color
#ACA640 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 71%, its chroma 0.123 and its hue 106°. Its hue sits on the warm side of the wheel. The nearest named color is Ocher (#BF9B0C), ΔE 0.038 away. Black text reads best on it, at 8.28:1.
| Hue family | Yellows |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.123) |
| Temperature | warm |
| Nearest name | Ocher (#BF9B0C) |
| Black text | 8.28:1 |
| White text | 2.53:1 |
Values
| HEX | #ACA640 |
| RGB | rgb(172, 166, 64) |
| HSL | hsl(57, 46%, 46%) |
| OKLCH | oklch(71% 0.123 105.9) |
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 #ACA640 | 2.53:1 | Fails | Lc -54.7 | Large or bold text, headings |
| Black text on #ACA640 | 8.28:1 | AAA | Lc 54.4 | Large or bold text, headings |
| #ACA640 text on white | 2.53:1 | Fails | Lc 49.6 | Large or bold text, headings |
| #ACA640 text on black | 8.28:1 | AAA | Lc -52.3 | 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
#F6F6EE
oklch(97.1% 0.011 106.6)
-
Step 100
100
#EBEBDA
oklch(93.5% 0.023 106.8)
-
Step 200
200
#DCDBBB
oklch(88.4% 0.043 105.8)
-
Step 300
300
#C7C48A
oklch(80.9% 0.077 105.5)
-
Step 400
400 (this color)
#ACA640
oklch(71% 0.123 105.9)
-
Step 500
500
#958D00
oklch(63% 0.134 105.6)
-
Step 600
600
#7D7700
oklch(55.7% 0.119 106.2)
-
Step 700
700
#696400
oklch(49.2% 0.105 106.3)
-
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)
#ACA640 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) | #B4A034 | 0.018 |
| Deuteranopia (no green cones) | #B6A546 | 0.017 |
| Tritanopia (no blue cones) | #B89C91 | 0.112 |
| Achromatopsia (no color) | #A3A3A3 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACA640
#ACA640
oklch(71% 0.123 105.9)
- #9B95EB
#9B95EB
oklch(71% 0.124 286)
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 #ACA640, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocher #BF9B0C ΔE 0.038
- Brown Yellow #B29705 ΔE 0.041
- Muddy Yellow #BFAC05 ΔE 0.042
- Ocre #C69C04 ΔE 0.044
- Dark Gold #B59410 ΔE 0.046
- Pea Soup Green #94A617 ΔE 0.047
- Yellow Brown #B79400 ΔE 0.047
- Yellow Ochre #CB9D06 ΔE 0.050
Use #ACA640 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.