#428C43#428C43

#428C43 is a mid, vivid green. Relative luminance 0.203; OKLCH L 57.5% C 0.130 H 143.9°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#428C43
RGB	rgb(66, 140, 67)
HSL	hsl(121, 36%, 40%)
HSV	hsv(121, 53%, 55%)
CMYK	cmyk(52.9%, 0%, 52.1%, 45.1%)
CIE-LAB	lab(52.20, -38.75, 31.88)
CIE-LCH	lch(52.20, 50.18, 140.55°)
OKLab	oklab(57.48% -0.1053 0.0768)
OKLCH	oklch(57.48% 0.13 143.9)
XYZ	xyz(12.6373, 20.3187, 8.5651)
Luminance	0.2032 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428C43 #8C428B

analogous

#668C42 #428C43 #428C68

triadic

#428C43 #43428C #8C4342

tetradic

#428C43 #42668C #8C428B #8C6842

square

#428C43 #42668C #8C428B #8C6842

split-complementary

#428C43 #68428C #8C4266

monochromatic

#1B391B #2E622F #428C43 #5AB15B #84C584

Accessibility & contrast

On white

4.15

#428C43 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#428C43 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428C43

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428C43	#FFFFFF	#000000	##000000
##428C43	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F813D

Deuteranopia (green-blind)

#857A48

Tritanopia (blue-blind)

#37887B

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #428c43;
/* rgb */ color: rgb(66, 140, 67);
/* oklch */ color: oklch(57.5% 0.130 143.9);

Tailwind

colors: {
  custom: {
    50: '#7dae79',
    500: '#428c43',
    950: '#000000',
  },
}

SCSS

$custom: #428c43;
$custom-light: #7dae79;
$custom-dark: #000000;

JSON

{
  "hex": "#428c43",
  "rgb": {
    "r": 66,
    "g": 140,
    "b": 67
  },
  "hsl": {
    "h": 120.811,
    "s": 35.922,
    "l": 40.392
  },
  "oklch": {
    "l": 0.57475,
    "c": 0.13037,
    "h": 143.9
  },
  "luminance": 0.2032
}

Semantic roles & 50–950 ramp

primary

#428C43

secondary

#B07AAF

accent

#5CCACC

background

#F7FAF7

surface

#EEF4ED

border

#C9CEC8

text

#0A1009

muted

#7C7F7B

Preview Lab

Preview with #428C43

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

Preview Lab → · Contrast checker → · Palette generator →