#ACA640#ACA640

#ACA640 is a light, vivid yellow. Relative luminance 0.364; OKLCH L 71.0% C 0.123 H 105.9°. Best body text is #000000 at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#ACA640
RGB	rgb(172, 166, 64)
HSL	hsl(57, 46%, 46%)
HSV	hsv(57, 63%, 67%)
CMYK	cmyk(0%, 3.5%, 62.8%, 32.5%)
CIE-LAB	lab(66.84, -10.76, 51.94)
CIE-LCH	lch(66.84, 53.04, 101.70°)
OKLab	oklab(71.04% -0.0338 0.1184)
OKLCH	oklch(71.04% 0.123 105.9)
XYZ	xyz(31.5760, 36.4143, 10.2149)
Luminance	0.3641 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACA640 #4046AC

analogous

#AC7040 #ACA640 #7CAC40

triadic

#ACA640 #40ACA6 #A640AC

tetradic

#ACA640 #40AC70 #4046AC #AC407C

square

#ACA640 #40AC70 #4046AC #AC407C

split-complementary

#ACA640 #407CAC #7040AC

monochromatic

#53501F #7F7B2F #ACA640 #C5C064 #D6D291

Accessibility & contrast

On white

2.54

#ACA640 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.28

#ACA640 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACA640

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACA640	#FFFFFF	#000000	##000000
##ACA640	1.00	2.54	8.28	8.28
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.28	21.00	1.00	1.00
##000000	8.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4A034

Deuteranopia (green-blind)

#B6A546

Tritanopia (blue-blind)

#B89C91

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #aca640;
/* rgb */ color: rgb(172, 166, 64);
/* oklch */ color: oklch(71.0% 0.123 105.9);

Tailwind

colors: {
  custom: {
    50: '#c7c07a',
    500: '#aca640',
    950: '#000000',
  },
}

SCSS

$custom: #aca640;
$custom-light: #c7c07a;
$custom-dark: #000000;

JSON

{
  "hex": "#aca640",
  "rgb": {
    "r": 172,
    "g": 166,
    "b": 64
  },
  "hsl": {
    "h": 56.667,
    "s": 45.763,
    "l": 46.275
  },
  "oklch": {
    "l": 0.71039,
    "c": 0.12308,
    "h": 105.9
  },
  "luminance": 0.36413
}

Semantic roles & 50–950 ramp

primary

#ACA640

secondary

#878AC1

accent

#5AD552

background

#FCFBF7

surface

#F9F7EE

border

#D2D0C9

text

#131209

muted

#82817B

Preview Lab

Preview with #ACA640

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →