#A3D237#A3D237

#A3D237 is a light, vivid yellow-green. Relative luminance 0.542; OKLCH L 80.3% C 0.183 H 125.4°. Best body text is #000000 at 11.83:1 contrast (WCAG AA passes).

Color values

HEX	#A3D237
RGB	rgb(163, 210, 55)
HSL	hsl(78, 63%, 52%)
HSV	hsv(78, 74%, 82%)
CMYK	cmyk(22.4%, 0%, 73.8%, 17.6%)
CIE-LAB	lab(78.55, -36.51, 67.08)
CIE-LCH	lch(78.55, 76.37, 118.56°)
OKLab	oklab(80.27% -0.1058 0.149)
OKLCH	oklch(80.27% 0.183 125.4)
XYZ	xyz(38.8407, 54.1550, 12.0204)
Luminance	0.5416 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3D237 #6637D2

analogous

#D2B437 #A3D237 #55D237

triadic

#A3D237 #37A3D2 #D237A3

tetradic

#A3D237 #37D2B4 #6637D2 #D23755

square

#A3D237 #37D2B4 #6637D2 #D23755

split-complementary

#A3D237 #3755D2 #B437D2

monochromatic

#59741A #7FA625 #A3D237 #BADD69 #D1E89B

Accessibility & contrast

On white

1.77

#A3D237 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.83

#A3D237 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3D237

11.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3D237	#FFFFFF	#000000	##000000
##A3D237	1.00	1.77	11.83	11.83
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.83	21.00	1.00	1.00
##000000	11.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC416

Deuteranopia (green-blind)

#D7C245

Tritanopia (blue-blind)

#AAC8B4

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #a3d237;
/* rgb */ color: rgb(163, 210, 55);
/* oklch */ color: oklch(80.3% 0.183 125.4);

Tailwind

colors: {
  custom: {
    50: '#c2e079',
    500: '#a3d237',
    950: '#000000',
  },
}

SCSS

$custom: #a3d237;
$custom-light: #c2e079;
$custom-dark: #000000;

JSON

{
  "hex": "#a3d237",
  "rgb": {
    "r": 163,
    "g": 210,
    "b": 55
  },
  "hsl": {
    "h": 78.194,
    "s": 63.265,
    "l": 51.961
  },
  "oklch": {
    "l": 0.80271,
    "c": 0.18275,
    "h": 125.4
  },
  "luminance": 0.54156
}

Semantic roles & 50–950 ramp

primary

#A3D237

secondary

#48307D

accent

#41E673

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#13150A

muted

#82847D

Preview Lab

Preview with #A3D237

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

Preview Lab → · Contrast checker → · Palette generator →