#A3CC39#A3CC39

#A3CC39 is a light, vivid yellow-green. Relative luminance 0.513; OKLCH L 78.9% C 0.174 H 124.1°. Best body text is #000000 at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#A3CC39
RGB	rgb(163, 204, 57)
HSL	hsl(77, 59%, 51%)
HSV	hsv(77, 72%, 80%)
CMYK	cmyk(20.1%, 0%, 72.1%, 20%)
CIE-LAB	lab(76.84, -33.66, 64.73)
CIE-LCH	lch(76.84, 72.96, 117.48°)
OKLab	oklab(78.89% -0.0978 0.1444)
OKLCH	oklch(78.89% 0.174 124.1)
XYZ	xyz(37.4360, 51.2674, 11.7934)
Luminance	0.5127 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3CC39 #6239CC

analogous

#CCAB39 #A3CC39 #59CC39

triadic

#A3CC39 #39A3CC #CC39A3

tetradic

#A3CC39 #39CCAB #6239CC #CC3959

square

#A3CC39 #39CCAB #6239CC #CC3959

split-complementary

#A3CC39 #3959CC #AB39CC

monochromatic

#576E1C #7E9F29 #A3CC39 #BAD96A #D0E59A

Accessibility & contrast

On white

1.87

#A3CC39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.25

#A3CC39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3CC39

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3CC39	#FFFFFF	#000000	##000000
##A3CC39	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)

#D7BF1D

Deuteranopia (green-blind)

#D2BD46

Tritanopia (blue-blind)

#ABC2B0

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #a3cc39;
/* rgb */ color: rgb(163, 204, 57);
/* oklch */ color: oklch(78.9% 0.174 124.1);

Tailwind

colors: {
  custom: {
    50: '#c2db79',
    500: '#a3cc39',
    950: '#000000',
  },
}

SCSS

$custom: #a3cc39;
$custom-light: #c2db79;
$custom-dark: #000000;

JSON

{
  "hex": "#a3cc39",
  "rgb": {
    "r": 163,
    "g": 204,
    "b": 57
  },
  "hsl": {
    "h": 76.735,
    "s": 59.036,
    "l": 51.176
  },
  "oklch": {
    "l": 0.78889,
    "c": 0.17443,
    "h": 124.1
  },
  "luminance": 0.51268
}

Semantic roles & 50–950 ramp

primary

#A3CC39

secondary

#453278

accent

#46E271

background

#FDFEFB

surface

#F9FBF2

border

#D2D4CC

text

#13150A

muted

#82847D

Preview Lab

Preview with #A3CC39

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

Preview Lab → · Contrast checker → · Palette generator →