#428D5E#428D5E

#428D5E is a mid, moderate green. Relative luminance 0.210; OKLCH L 58.3% C 0.105 H 154.0°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#428D5E
RGB	rgb(66, 141, 94)
HSL	hsl(142, 36%, 41%)
HSV	hsv(142, 53%, 55%)
CMYK	cmyk(53.2%, 0%, 33.3%, 44.7%)
CIE-LAB	lab(52.97, -34.53, 18.16)
CIE-LCH	lch(52.97, 39.01, 152.26°)
OKLab	oklab(58.25% -0.094 0.0458)
OKLCH	oklch(58.25% 0.105 154)
XYZ	xyz(13.7910, 21.0150, 13.9171)
Luminance	0.2102 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428D5E #8D4271

analogous

#4B8D42 #428D5E #428D83

triadic

#428D5E #5E428D #8D5E42

tetradic

#428D5E #424B8D #8D4271 #8D8342

square

#428D5E #424B8D #8D4271 #8D8342

split-complementary

#428D5E #83428D #8D424B

monochromatic

#1B3A26 #2E6342 #428D5E #5AB27B #84C59C

Accessibility & contrast

On white

4.04

#428D5E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#428D5E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428D5E

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428D5E	#FFFFFF	#000000	##000000
##428D5E	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D835B

Deuteranopia (green-blind)

#827B61

Tritanopia (blue-blind)

#2F8B81

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #428d5e;
/* rgb */ color: rgb(66, 141, 94);
/* oklch */ color: oklch(58.3% 0.105 154.0);

Tailwind

colors: {
  custom: {
    50: '#7caf8c',
    500: '#428d5e',
    950: '#000000',
  },
}

SCSS

$custom: #428d5e;
$custom-light: #7caf8c;
$custom-dark: #000000;

JSON

{
  "hex": "#428d5e",
  "rgb": {
    "r": 66,
    "g": 141,
    "b": 94
  },
  "hsl": {
    "h": 142.4,
    "s": 36.232,
    "l": 40.588
  },
  "oklch": {
    "l": 0.58251,
    "c": 0.10462,
    "h": 154
  },
  "luminance": 0.21016
}

Semantic roles & 50–950 ramp

primary

#428D5E

secondary

#B07B9C

accent

#5CA2CC

background

#F7FAF8

surface

#EEF4F0

border

#C9CECB

text

#0A100C

muted

#7C7F7D

Preview Lab

Preview with #428D5E

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

Preview Lab → · Contrast checker → · Palette generator →