#A3CC37#A3CC37

#A3CC37 is a light, vivid yellow-green. Relative luminance 0.512; OKLCH L 78.9% C 0.176 H 124.0°. Best body text is #000000 at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#A3CC37
RGB	rgb(163, 204, 55)
HSL	hsl(77, 59%, 51%)
HSV	hsv(77, 73%, 80%)
CMYK	cmyk(20.1%, 0%, 73%, 20%)
CIE-LAB	lab(76.83, -33.77, 65.41)
CIE-LCH	lch(76.83, 73.62, 117.31°)
OKLab	oklab(78.88% -0.0983 0.1455)
OKLCH	oklch(78.88% 0.176 124)
XYZ	xyz(37.3871, 51.2478, 11.5358)
Luminance	0.5125 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3CC37 #6037CC

analogous

#CCAA37 #A3CC37 #58CC37

triadic

#A3CC37 #37A3CC #CC37A3

tetradic

#A3CC37 #37CCAA #6037CC #CC3758

square

#A3CC37 #37CCAA #6037CC #CC3758

split-complementary

#A3CC37 #3758CC #AA37CC

monochromatic

#576D1C #7D9E28 #A3CC37 #B9D868 #D0E599

Accessibility & contrast

On white

1.87

#A3CC37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.25

#A3CC37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3CC37

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3CC37	#FFFFFF	#000000	##000000
##A3CC37	1.00	1.87	11.25	11.25
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.25	21.00	1.00	1.00
##000000	11.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8BF19

Deuteranopia (green-blind)

#D2BD44

Tritanopia (blue-blind)

#ABC2AF

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #a3cc37;
/* rgb */ color: rgb(163, 204, 55);
/* oklch */ color: oklch(78.9% 0.176 124.0);

Tailwind

colors: {
  custom: {
    50: '#c2db78',
    500: '#a3cc37',
    950: '#000000',
  },
}

SCSS

$custom: #a3cc37;
$custom-light: #c2db78;
$custom-dark: #000000;

JSON

{
  "hex": "#a3cc37",
  "rgb": {
    "r": 163,
    "g": 204,
    "b": 55
  },
  "hsl": {
    "h": 76.51,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.78876,
    "c": 0.1756,
    "h": 124
  },
  "luminance": 0.51248
}

Semantic roles & 50–950 ramp

primary

#A3CC37

secondary

#443176

accent

#45E371

background

#FDFEFB

surface

#F9FBF1

border

#D2D4CB

text

#13150A

muted

#82847D

Preview Lab

Preview with #A3CC37

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

Preview Lab → · Contrast checker → · Palette generator →