#A3D42F#A3D42F

#A3D42F is a light, vivid yellow-green. Relative luminance 0.551; OKLCH L 80.7% C 0.189 H 125.5°. Best body text is #000000 at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#A3D42F
RGB	rgb(163, 212, 47)
HSL	hsl(78, 66%, 51%)
HSV	hsv(78, 78%, 83%)
CMYK	cmyk(23.1%, 0%, 77.8%, 16.9%)
CIE-LAB	lab(79.09, -37.80, 70.07)
CIE-LCH	lch(79.09, 79.62, 118.34°)
OKLab	oklab(80.69% -0.1098 0.1541)
OKLCH	oklch(80.69% 0.189 125.5)
XYZ	xyz(39.1611, 55.0782, 11.2567)
Luminance	0.5508 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3D42F #602FD4

analogous

#D4B22F #A3D42F #50D42F

triadic

#A3D42F #2FA3D4 #D42FA3

tetradic

#A3D42F #2FD4B2 #602FD4 #D42F50

square

#A3D42F #2FD4B2 #602FD4 #D42F50

split-complementary

#A3D42F #2F50D4 #B22FD4

monochromatic

#577117 #7DA422 #A3D42F #B9DE62 #D0E994

Accessibility & contrast

On white

1.75

#A3D42F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.02

#A3D42F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3D42F

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3D42F	#FFFFFF	#000000	##000000
##A3D42F	1.00	1.75	12.02	12.02
#FFFFFF	1.75	1.00	21.00	21.00
#000000	12.02	21.00	1.00	1.00
##000000	12.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C600

Deuteranopia (green-blind)

#D9C340

Tritanopia (blue-blind)

#AACAB6

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #a3d42f;
/* rgb */ color: rgb(163, 212, 47);
/* oklch */ color: oklch(80.7% 0.189 125.5);

Tailwind

colors: {
  custom: {
    50: '#c3e175',
    500: '#a3d42f',
    950: '#000000',
  },
}

SCSS

$custom: #a3d42f;
$custom-light: #c3e175;
$custom-dark: #000000;

JSON

{
  "hex": "#a3d42f",
  "rgb": {
    "r": 163,
    "g": 212,
    "b": 47
  },
  "hsl": {
    "h": 77.818,
    "s": 65.737,
    "l": 50.784
  },
  "oklch": {
    "l": 0.80691,
    "c": 0.18924,
    "h": 125.5
  },
  "luminance": 0.55079
}

Semantic roles & 50–950 ramp

primary

#A3D42F

secondary

#442D7A

accent

#3FE971

background

#FDFEFB

surface

#F9FCF1

border

#D2D5CB

text

#131509

muted

#82847D

Preview Lab

Preview with #A3D42F

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

Preview Lab → · Contrast checker → · Palette generator →