#42B421#42B421

#42B421 is a light, highly saturated green. Relative luminance 0.339; OKLCH L 67.9% C 0.205 H 140.0°. Best body text is #000000 at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#42B421
RGB	rgb(66, 180, 33)
HSL	hsl(107, 69%, 42%)
HSV	hsv(107, 82%, 71%)
CMYK	cmyk(63.3%, 0%, 81.7%, 29.4%)
CIE-LAB	lab(64.89, -57.12, 59.38)
CIE-LCH	lch(64.89, 82.40, 133.89°)
OKLab	oklab(67.86% -0.1568 0.1314)
OKLCH	oklch(67.86% 0.205 140)
XYZ	xyz(18.8417, 33.9088, 6.9907)
Luminance	0.3391 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B421 #9321B4

analogous

#8BB421 #42B421 #21B44A

triadic

#42B421 #2142B4 #B42142

tetradic

#42B421 #218BB4 #9321B4 #B44A21

square

#42B421 #218BB4 #9321B4 #B44A21

split-complementary

#42B421 #4A21B4 #B4218B

monochromatic

#1C4D0E #2F8018 #42B421 #5CDA38 #87E46B

Accessibility & contrast

On white

2.70

#42B421 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.78

#42B421 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B421

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B421	#FFFFFF	#000000	##000000
##42B421	1.00	2.70	7.78	7.78
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.78	21.00	1.00	1.00
##000000	7.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A300

Deuteranopia (green-blind)

#AB9A33

Tritanopia (blue-blind)

#31AE99

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #42b421;
/* rgb */ color: rgb(66, 180, 33);
/* oklch */ color: oklch(67.9% 0.205 140.0);

Tailwind

colors: {
  custom: {
    50: '#85cb6a',
    500: '#42b421',
    950: '#000000',
  },
}

SCSS

$custom: #42b421;
$custom-light: #85cb6a;
$custom-dark: #000000;

JSON

{
  "hex": "#42b421",
  "rgb": {
    "r": 66,
    "g": 180,
    "b": 33
  },
  "hsl": {
    "h": 106.531,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.67856,
    "c": 0.20462,
    "h": 140
  },
  "luminance": 0.33911
}

Semantic roles & 50–950 ramp

primary

#42B421

secondary

#B467CA

accent

#3CECC4

background

#F8FCF6

surface

#F0F9EC

border

#CBD2C7

text

#0C1307

muted

#7D827A

Preview Lab

Preview with #42B421

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

Preview Lab → · Contrast checker → · Palette generator →