#A3CF37#A3CF37

#A3CF37 is a light, vivid yellow-green. Relative luminance 0.527; OKLCH L 79.6% C 0.179 H 124.7°. Best body text is #000000 at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#A3CF37
RGB	rgb(163, 207, 55)
HSL	hsl(77, 61%, 51%)
HSV	hsv(77, 73%, 81%)
CMYK	cmyk(21.3%, 0%, 73.4%, 18.8%)
CIE-LAB	lab(77.69, -35.15, 66.25)
CIE-LCH	lch(77.69, 74.99, 117.95°)
OKLab	oklab(79.57% -0.102 0.1473)
OKLCH	oklch(79.57% 0.179 124.7)
XYZ	xyz(38.1070, 52.6876, 11.7758)
Luminance	0.5269 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3CF37 #6337CF

analogous

#CFAF37 #A3CF37 #57CF37

triadic

#A3CF37 #37A3CF #CF37A3

tetradic

#A3CF37 #37CFAF #6337CF #CF3757

square

#A3CF37 #37CFAF #6337CF #CF3757

split-complementary

#A3CF37 #3757CF #AF37CF

monochromatic

#58711B #7EA227 #A3CF37 #BADB68 #D0E79A

Accessibility & contrast

On white

1.82

#A3CF37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.54

#A3CF37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3CF37

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3CF37	#FFFFFF	#000000	##000000
##A3CF37	1.00	1.82	11.54	11.54
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.54	21.00	1.00	1.00
##000000	11.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC117

Deuteranopia (green-blind)

#D5BF45

Tritanopia (blue-blind)

#ABC5B2

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #a3cf37;
/* rgb */ color: rgb(163, 207, 55);
/* oklch */ color: oklch(79.6% 0.179 124.7);

Tailwind

colors: {
  custom: {
    50: '#c2dd78',
    500: '#a3cf37',
    950: '#000000',
  },
}

SCSS

$custom: #a3cf37;
$custom-light: #c2dd78;
$custom-dark: #000000;

JSON

{
  "hex": "#a3cf37",
  "rgb": {
    "r": 163,
    "g": 207,
    "b": 55
  },
  "hsl": {
    "h": 77.368,
    "s": 61.29,
    "l": 51.373
  },
  "oklch": {
    "l": 0.79573,
    "c": 0.17918,
    "h": 124.7
  },
  "luminance": 0.52688
}

Semantic roles & 50–950 ramp

primary

#A3CF37

secondary

#46317A

accent

#43E472

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#13150A

muted

#82847D

Preview Lab

Preview with #A3CF37

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

Preview Lab → · Contrast checker → · Palette generator →