#42AD1F#42AD1F

#42AD1F is a light, vivid green. Relative luminance 0.311; OKLCH L 66.0% C 0.198 H 139.7°. Best body text is #000000 at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#42AD1F
RGB	rgb(66, 173, 31)
HSL	hsl(105, 70%, 40%)
HSV	hsv(105, 82%, 68%)
CMYK	cmyk(61.8%, 0%, 82.1%, 32.2%)
CIE-LAB	lab(62.63, -54.81, 57.85)
CIE-LCH	lch(62.63, 79.69, 133.45°)
OKLab	oklab(65.98% -0.1507 0.1279)
OKLCH	oklch(65.98% 0.198 139.7)
XYZ	xyz(17.4369, 31.1427, 6.3883)
Luminance	0.3114 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42AD1F #8A1FAD

analogous

#89AD1F #42AD1F #1FAD43

triadic

#42AD1F #1F42AD #AD1F42

tetradic

#42AD1F #1F89AD #8A1FAD #AD431F

square

#42AD1F #1F89AD #8A1FAD #AD431F

split-complementary

#42AD1F #431FAD #AD1F89

monochromatic

#1A450C #2E7916 #42AD1F #59DA2F #83E363

Accessibility & contrast

On white

2.91

#42AD1F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.23

#42AD1F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42AD1F

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42AD1F	#FFFFFF	#000000	##000000
##42AD1F	1.00	2.91	7.23	7.23
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.23	21.00	1.00	1.00
##000000	7.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B29D00

Deuteranopia (green-blind)

#A59431

Tritanopia (blue-blind)

#34A793

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #42ad1f;
/* rgb */ color: rgb(66, 173, 31);
/* oklch */ color: oklch(66.0% 0.198 139.7);

Tailwind

colors: {
  custom: {
    50: '#84c668',
    500: '#42ad1f',
    950: '#000000',
  },
}

SCSS

$custom: #42ad1f;
$custom-light: #84c668;
$custom-dark: #000000;

JSON

{
  "hex": "#42ad1f",
  "rgb": {
    "r": 66,
    "g": 173,
    "b": 31
  },
  "hsl": {
    "h": 105.211,
    "s": 69.608,
    "l": 40
  },
  "oklch": {
    "l": 0.6598,
    "c": 0.19767,
    "h": 139.7
  },
  "luminance": 0.31144
}

Semantic roles & 50–950 ramp

primary

#42AD1F

secondary

#AE60C8

accent

#3BECC1

background

#F8FCF6

surface

#F0F8EB

border

#CBD1C6

text

#0C1307

muted

#7D827A

Preview Lab

Preview with #42AD1F

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

Preview Lab → · Contrast checker → · Palette generator →