#42B628#42B628

#42B628 is a light, highly saturated green. Relative luminance 0.348; OKLCH L 68.4% C 0.204 H 140.6°. Best body text is #000000 at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#42B628
RGB	rgb(66, 182, 40)
HSL	hsl(109, 64%, 44%)
HSV	hsv(109, 78%, 71%)
CMYK	cmyk(63.7%, 0%, 78%, 28.6%)
CIE-LAB	lab(65.57, -57.40, 57.93)
CIE-LCH	lch(65.57, 81.56, 134.74°)
OKLab	oklab(68.43% -0.1573 0.1294)
OKLCH	oklch(68.43% 0.204 140.6)
XYZ	xyz(19.3568, 34.7655, 7.6974)
Luminance	0.3477 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B628 #9C28B6

analogous

#89B628 #42B628 #28B655

triadic

#42B628 #2842B6 #B62842

tetradic

#42B628 #2889B6 #9C28B6 #B65528

square

#42B628 #2889B6 #9C28B6 #B65528

split-complementary

#42B628 #5528B6 #B62889

monochromatic

#1E5212 #30841D #42B628 #60D645 #8BE177

Accessibility & contrast

On white

2.64

#42B628 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.95

#42B628 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B628

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B628	#FFFFFF	#000000	##000000
##42B628	1.00	2.64	7.95	7.95
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.95	21.00	1.00	1.00
##000000	7.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBA500

Deuteranopia (green-blind)

#AD9C38

Tritanopia (blue-blind)

#2FB09C

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #42b628;
/* rgb */ color: rgb(66, 182, 40);
/* oklch */ color: oklch(68.4% 0.204 140.6);

Tailwind

colors: {
  custom: {
    50: '#85cd6d',
    500: '#42b628',
    950: '#000000',
  },
}

SCSS

$custom: #42b628;
$custom-light: #85cd6d;
$custom-dark: #000000;

JSON

{
  "hex": "#42b628",
  "rgb": {
    "r": 66,
    "g": 182,
    "b": 40
  },
  "hsl": {
    "h": 109.014,
    "s": 63.964,
    "l": 43.529
  },
  "oklch": {
    "l": 0.68426,
    "c": 0.20362,
    "h": 140.6
  },
  "luminance": 0.34767
}

Semantic roles & 50–950 ramp

primary

#42B628

secondary

#B971C9

accent

#41E7C9

background

#F8FCF6

surface

#F0F9EC

border

#CBD2C7

text

#0C1408

muted

#7D827B

Preview Lab

Preview with #42B628

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

Preview Lab → · Contrast checker → · Palette generator →