#A3D139#A3D139

#A3D139 is a light, vivid yellow-green. Relative luminance 0.537; OKLCH L 80.1% C 0.180 H 125.2°. Best body text is #000000 at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#A3D139
RGB	rgb(163, 209, 57)
HSL	hsl(78, 62%, 52%)
HSV	hsv(78, 73%, 82%)
CMYK	cmyk(22%, 0%, 72.7%, 18%)
CIE-LAB	lab(78.28, -35.95, 66.14)
CIE-LCH	lch(78.28, 75.28, 118.53°)
OKLab	oklab(80.05% -0.1041 0.1474)
OKLCH	oklch(80.05% 0.18 125.2)
XYZ	xyz(38.6435, 53.6824, 12.1959)
Luminance	0.5368 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3D139 #6739D1

analogous

#D1B339 #A3D139 #57D139

triadic

#A3D139 #39A3D1 #D139A3

tetradic

#A3D139 #39D1B3 #6739D1 #D13957

square

#A3D139 #39D1B3 #6739D1 #D13957

split-complementary

#A3D139 #3957D1 #B339D1

monochromatic

#59751B #80A627 #A3D139 #BADD6B #D1E89C

Accessibility & contrast

On white

1.79

#A3D139 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.74

#A3D139 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3D139

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3D139	#FFFFFF	#000000	##000000
##A3D139	1.00	1.79	11.74	11.74
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.74	21.00	1.00	1.00
##000000	11.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC31B

Deuteranopia (green-blind)

#D6C147

Tritanopia (blue-blind)

#AAC7B4

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #a3d139;
/* rgb */ color: rgb(163, 209, 57);
/* oklch */ color: oklch(80.1% 0.180 125.2);

Tailwind

colors: {
  custom: {
    50: '#c2df7a',
    500: '#a3d139',
    950: '#000000',
  },
}

SCSS

$custom: #a3d139;
$custom-light: #c2df7a;
$custom-dark: #000000;

JSON

{
  "hex": "#a3d139",
  "rgb": {
    "r": 163,
    "g": 209,
    "b": 57
  },
  "hsl": {
    "h": 78.158,
    "s": 62.295,
    "l": 52.157
  },
  "oklch": {
    "l": 0.80051,
    "c": 0.18042,
    "h": 125.2
  },
  "luminance": 0.53683
}

Semantic roles & 50–950 ramp

primary

#A3D139

secondary

#48317D

accent

#42E574

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#13150A

muted

#82847D

Preview Lab

Preview with #A3D139

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

Preview Lab → · Contrast checker → · Palette generator →