#428E52#428E52

#428E52 is a mid, moderate green. Relative luminance 0.211; OKLCH L 58.3% C 0.118 H 148.5°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#428E52
RGB	rgb(66, 142, 82)
HSL	hsl(133, 37%, 41%)
HSV	hsv(133, 54%, 56%)
CMYK	cmyk(53.5%, 0%, 42.3%, 44.3%)
CIE-LAB	lab(53.07, -37.22, 24.97)
CIE-LCH	lch(53.07, 44.82, 146.15°)
OKLab	oklab(58.27% -0.1009 0.0618)
OKLCH	oklch(58.27% 0.118 148.5)
XYZ	xyz(13.4419, 21.1123, 11.3478)
Luminance	0.2111 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428E52 #8E427E

analogous

#588E42 #428E52 #428E78

triadic

#428E52 #52428E #8E5242

tetradic

#428E52 #42588E #8E427E #8E7842

square

#428E52 #42588E #8E427E #8E7842

split-complementary

#428E52 #78428E #8E4258

monochromatic

#1B3A22 #2F643A #428E52 #5BB36D #84C692

Accessibility & contrast

On white

4.02

#428E52 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#428E52 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428E52

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428E52	#FFFFFF	#000000	##000000
##428E52	1.00	4.02	5.22	5.22
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F834E

Deuteranopia (green-blind)

#857C56

Tritanopia (blue-blind)

#338B7F

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #428e52;
/* rgb */ color: rgb(66, 142, 82);
/* oklch */ color: oklch(58.3% 0.118 148.5);

Tailwind

colors: {
  custom: {
    50: '#7cb083',
    500: '#428e52',
    950: '#000000',
  },
}

SCSS

$custom: #428e52;
$custom-light: #7cb083;
$custom-dark: #000000;

JSON

{
  "hex": "#428e52",
  "rgb": {
    "r": 66,
    "g": 142,
    "b": 82
  },
  "hsl": {
    "h": 132.632,
    "s": 36.538,
    "l": 40.784
  },
  "oklch": {
    "l": 0.58267,
    "c": 0.11833,
    "h": 148.5
  },
  "luminance": 0.21113
}

Semantic roles & 50–950 ramp

primary

#428E52

secondary

#B17BA5

accent

#5BB5CD

background

#F7FAF8

surface

#EEF5EF

border

#C9CFCA

text

#0A100A

muted

#7C7F7C

Preview Lab

Preview with #428E52

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

Preview Lab → · Contrast checker → · Palette generator →