#ACB538#ACB538

#ACB538 is a light, vivid yellow. Relative luminance 0.421; OKLCH L 74.3% C 0.145 H 113.4°. Best body text is #000000 at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#ACB538
RGB	rgb(172, 181, 56)
HSL	hsl(64, 53%, 46%)
HSV	hsv(64, 69%, 71%)
CMYK	cmyk(5%, 0%, 69.1%, 29%)
CIE-LAB	lab(70.94, -18.94, 59.48)
CIE-LCH	lch(70.94, 62.42, 107.67°)
OKLab	oklab(74.3% -0.0577 0.133)
OKLCH	oklch(74.3% 0.145 113.4)
XYZ	xyz(34.2519, 42.1046, 10.0633)
Luminance	0.4210 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACB538 #4138B5

analogous

#B58038 #ACB538 #6EB538

triadic

#ACB538 #38ACB5 #B538AC

tetradic

#ACB538 #38B580 #4138B5 #B5386E

square

#ACB538 #38B580 #4138B5 #B5386E

split-complementary

#ACB538 #386EB5 #8038B5

monochromatic

#53581B #80862A #ACB538 #C5CD5D #D6DB8C

Accessibility & contrast

On white

2.23

#ACB538 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.42

#ACB538 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACB538

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACB538	#FFFFFF	#000000	##000000
##ACB538	1.00	2.23	9.42	9.42
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.42	21.00	1.00	1.00
##000000	9.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2AC24

Deuteranopia (green-blind)

#C2AF41

Tritanopia (blue-blind)

#B7AA9C

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #acb538;
/* rgb */ color: rgb(172, 181, 56);
/* oklch */ color: oklch(74.3% 0.145 113.4);

Tailwind

colors: {
  custom: {
    50: '#c8cb76',
    500: '#acb538',
    950: '#000000',
  },
}

SCSS

$custom: #acb538;
$custom-light: #c8cb76;
$custom-dark: #000000;

JSON

{
  "hex": "#acb538",
  "rgb": {
    "r": 172,
    "g": 181,
    "b": 56
  },
  "hsl": {
    "h": 64.32,
    "s": 52.743,
    "l": 46.471
  },
  "oklch": {
    "l": 0.743,
    "c": 0.14495,
    "h": 113.4
  },
  "luminance": 0.42104
}

Semantic roles & 50–950 ramp

primary

#ACB538

secondary

#8883C6

accent

#4CDC56

background

#FCFCF7

surface

#F9F8ED

border

#D2D1C8

text

#131309

muted

#82827B

Preview Lab

Preview with #ACB538

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

Preview Lab → · Contrast checker → · Palette generator →