#428C52#428C52

#428C52 is a mid, moderate green. Relative luminance 0.205; OKLCH L 57.7% C 0.115 H 148.8°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#428C52
RGB	rgb(66, 140, 82)
HSL	hsl(133, 36%, 40%)
HSV	hsv(133, 53%, 55%)
CMYK	cmyk(52.9%, 0%, 41.4%, 45.1%)
CIE-LAB	lab(52.42, -36.34, 24.12)
CIE-LCH	lch(52.42, 43.62, 146.43°)
OKLab	oklab(57.74% -0.0986 0.0598)
OKLCH	oklch(57.74% 0.115 148.8)
XYZ	xyz(13.1470, 20.5225, 11.2495)
Luminance	0.2052 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428C52 #8C427C

analogous

#578C42 #428C52 #428C77

triadic

#428C52 #52428C #8C5242

tetradic

#428C52 #42578C #8C427C #8C7742

square

#428C52 #42578C #8C427C #8C7742

split-complementary

#428C52 #77428C #8C4257

monochromatic

#1B3921 #2E623A #428C52 #5AB16D #84C592

Accessibility & contrast

On white

4.11

#428C52 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#428C52 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428C52

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428C52	#FFFFFF	#000000	##000000
##428C52	1.00	4.11	5.10	5.10
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D814E

Deuteranopia (green-blind)

#837A56

Tritanopia (blue-blind)

#338A7E

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #428c52;
/* rgb */ color: rgb(66, 140, 82);
/* oklch */ color: oklch(57.7% 0.115 148.8);

Tailwind

colors: {
  custom: {
    50: '#7cae83',
    500: '#428c52',
    950: '#000000',
  },
}

SCSS

$custom: #428c52;
$custom-light: #7cae83;
$custom-dark: #000000;

JSON

{
  "hex": "#428c52",
  "rgb": {
    "r": 66,
    "g": 140,
    "b": 82
  },
  "hsl": {
    "h": 132.973,
    "s": 35.922,
    "l": 40.392
  },
  "oklch": {
    "l": 0.57736,
    "c": 0.11529,
    "h": 148.8
  },
  "luminance": 0.20524
}

Semantic roles & 50–950 ramp

primary

#428C52

secondary

#B07AA4

accent

#5CB4CC

background

#F7FAF8

surface

#EEF4EF

border

#C9CECA

text

#0A100A

muted

#7C7F7C

Preview Lab

Preview with #428C52

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

Preview Lab → · Contrast checker → · Palette generator →