#A3C21F#A3C21F

#A3C21F is a light, vivid yellow-green. Relative luminance 0.465; OKLCH L 76.4% C 0.175 H 120.8°. Best body text is #000000 at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#A3C21F
RGB	rgb(163, 194, 31)
HSL	hsl(71, 72%, 44%)
HSV	hsv(71, 84%, 76%)
CMYK	cmyk(16%, 0%, 84%, 23.9%)
CIE-LAB	lab(73.85, -30.12, 69.64)
CIE-LCH	lch(73.85, 75.87, 113.39°)
OKLab	oklab(76.43% -0.09 0.1506)
OKLCH	oklch(76.43% 0.175 120.8)
XYZ	xyz(34.6441, 46.4691, 8.4404)
Luminance	0.4647 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3C21F #3E1FC2

analogous

#C2901F #A3C21F #52C21F

triadic

#A3C21F #1FA3C2 #C21FA3

tetradic

#A3C21F #1FC290 #3E1FC2 #C21F52

square

#A3C21F #1FC290 #3E1FC2 #C21F52

split-complementary

#A3C21F #1F52C2 #901FC2

monochromatic

#4A580E #778D17 #A3C21F #C1E03E #D2E973

Accessibility & contrast

On white

2.04

#A3C21F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.29

#A3C21F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3C21F

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3C21F	#FFFFFF	#000000	##000000
##A3C21F	1.00	2.04	10.29	10.29
#FFFFFF	2.04	1.00	21.00	21.00
#000000	10.29	21.00	1.00	1.00
##000000	10.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB600

Deuteranopia (green-blind)

#CBB632

Tritanopia (blue-blind)

#ADB7A6

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #a3c21f;
/* rgb */ color: rgb(163, 194, 31);
/* oklch */ color: oklch(76.4% 0.175 120.8);

Tailwind

colors: {
  custom: {
    50: '#c2d46d',
    500: '#a3c21f',
    950: '#000000',
  },
}

SCSS

$custom: #a3c21f;
$custom-light: #c2d46d;
$custom-dark: #000000;

JSON

{
  "hex": "#a3c21f",
  "rgb": {
    "r": 163,
    "g": 194,
    "b": 31
  },
  "hsl": {
    "h": 71.411,
    "s": 72.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.76433,
    "c": 0.17544,
    "h": 120.8
  },
  "luminance": 0.46469
}

Semantic roles & 50–950 ramp

primary

#A3C21F

secondary

#806DCF

accent

#39EF5B

background

#FCFDF7

surface

#F8FAED

border

#D1D3C8

text

#131408

muted

#82837B

Preview Lab

Preview with #A3C21F

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

Preview Lab → · Contrast checker → · Palette generator →