#ACC538#ACC538

#ACC538 is a light, vivid yellow-green. Relative luminance 0.490; OKLCH L 77.9% C 0.163 H 119.2°. Best body text is #000000 at 10.80:1 contrast (WCAG AA passes).

Color values

HEX	#ACC538
RGB	rgb(172, 197, 56)
HSL	hsl(71, 56%, 50%)
HSV	hsv(71, 72%, 77%)
CMYK	cmyk(12.7%, 0%, 71.6%, 22.7%)
CIE-LAB	lab(75.44, -26.81, 63.92)
CIE-LCH	lch(75.44, 69.32, 112.75°)
OKLab	oklab(77.92% -0.0795 0.1423)
OKLCH	oklch(77.92% 0.163 119.2)
XYZ	xyz(37.6941, 48.9889, 11.2107)
Luminance	0.4899 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACC538 #5138C5

analogous

#C59738 #ACC538 #66C538

triadic

#ACC538 #38ACC5 #C538AC

tetradic

#ACC538 #38C597 #5138C5 #C53866

square

#ACC538 #38C597 #5138C5 #C53866

split-complementary

#ACC538 #3866C5 #9738C5

monochromatic

#59661D #82952A #ACC538 #C0D467 #D4E196

Accessibility & contrast

On white

1.94

#ACC538 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.80

#ACC538 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACC538

10.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACC538	#FFFFFF	#000000	##000000
##ACC538	1.00	1.94	10.80	10.80
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.80	21.00	1.00	1.00
##000000	10.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2BA1E

Deuteranopia (green-blind)

#CFBA44

Tritanopia (blue-blind)

#B6BAAA

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #acc538;
/* rgb */ color: rgb(172, 197, 56);
/* oklch */ color: oklch(77.9% 0.163 119.2);

Tailwind

colors: {
  custom: {
    50: '#c8d678',
    500: '#acc538',
    950: '#000000',
  },
}

SCSS

$custom: #acc538;
$custom-light: #c8d678;
$custom-dark: #000000;

JSON

{
  "hex": "#acc538",
  "rgb": {
    "r": 172,
    "g": 197,
    "b": 56
  },
  "hsl": {
    "h": 70.638,
    "s": 55.731,
    "l": 49.608
  },
  "oklch": {
    "l": 0.77915,
    "c": 0.16304,
    "h": 119.2
  },
  "luminance": 0.48989
}

Semantic roles & 50–950 ramp

primary

#ACC538

secondary

#988CCD

accent

#49DF63

background

#FCFDF7

surface

#F9FAEE

border

#D2D3C9

text

#141409

muted

#82837B

Preview Lab

Preview with #ACC538

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

Preview Lab → · Contrast checker → · Palette generator →