#428E31#428E31

#428E31 is a mid, vivid green. Relative luminance 0.207; OKLCH L 57.8% C 0.149 H 140.2°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#428E31
RGB	rgb(66, 142, 49)
HSL	hsl(109, 49%, 37%)
HSV	hsv(109, 65%, 56%)
CMYK	cmyk(53.5%, 0%, 65.5%, 44.3%)
CIE-LAB	lab(52.65, -41.80, 41.21)
CIE-LCH	lch(52.65, 58.70, 135.41°)
OKLab	oklab(57.78% -0.1146 0.0955)
OKLCH	oklch(57.78% 0.149 140.2)
XYZ	xyz(12.4736, 20.7250, 6.2482)
Luminance	0.2073 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428E31 #7D318E

analogous

#718E31 #428E31 #318E4E

triadic

#428E31 #31428E #8E3142

tetradic

#428E31 #31718E #7D318E #8E4E31

square

#428E31 #31718E #7D318E #8E4E31

split-complementary

#428E31 #4E318E #8E3171

monochromatic

#183312 #2D6121 #428E31 #57BB41 #7ECD6D

Accessibility & contrast

On white

4.08

#428E31 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#428E31 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428E31

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428E31	#FFFFFF	#000000	##000000
##428E31	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928226

Deuteranopia (green-blind)

#887B39

Tritanopia (blue-blind)

#3A897B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #428e31;
/* rgb */ color: rgb(66, 142, 49);
/* oklch */ color: oklch(57.8% 0.149 140.2);

Tailwind

colors: {
  custom: {
    50: '#7eb06d',
    500: '#428e31',
    950: '#000000',
  },
}

SCSS

$custom: #428e31;
$custom-light: #7eb06d;
$custom-dark: #000000;

JSON

{
  "hex": "#428e31",
  "rgb": {
    "r": 66,
    "g": 142,
    "b": 49
  },
  "hsl": {
    "h": 109.032,
    "s": 48.691,
    "l": 37.451
  },
  "oklch": {
    "l": 0.5778,
    "c": 0.14915,
    "h": 140.2
  },
  "luminance": 0.20726
}

Semantic roles & 50–950 ramp

primary

#428E31

secondary

#A667B4

accent

#50D8BF

background

#F8FAF6

surface

#EFF5EC

border

#CACFC7

text

#0A1007

muted

#7C7F7A

Preview Lab

Preview with #428E31

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

Preview Lab → · Contrast checker → · Palette generator →