#428D4D#428D4D

#428D4D is a mid, vivid green. Relative luminance 0.207; OKLCH L 57.9% C 0.122 H 146.9°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#428D4D
RGB	rgb(66, 141, 77)
HSL	hsl(129, 36%, 41%)
HSV	hsv(129, 53%, 55%)
CMYK	cmyk(53.2%, 0%, 45.4%, 44.7%)
CIE-LAB	lab(52.67, -37.64, 27.17)
CIE-LCH	lch(52.67, 46.42, 144.18°)
OKLab	oklab(57.91% -0.1021 0.0667)
OKLCH	oklch(57.91% 0.122 146.9)
XYZ	xyz(13.1104, 20.7428, 10.3326)
Luminance	0.2074 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428D4D #8D4282

analogous

#5C8D42 #428D4D #428D72

triadic

#428D4D #4D428D #8D4D42

tetradic

#428D4D #425C8D #8D4282 #8D7242

square

#428D4D #425C8D #8D4282 #8D7242

split-complementary

#428D4D #72428D #8D425C

monochromatic

#1B3A1F #2E6336 #428D4D #5AB267 #84C58E

Accessibility & contrast

On white

4.08

#428D4D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#428D4D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428D4D

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428D4D	#FFFFFF	#000000	##000000
##428D4D	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)

#8F8248

Deuteranopia (green-blind)

#847B51

Tritanopia (blue-blind)

#348A7E

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #428d4d;
/* rgb */ color: rgb(66, 141, 77);
/* oklch */ color: oklch(57.9% 0.122 146.9);

Tailwind

colors: {
  custom: {
    50: '#7caf80',
    500: '#428d4d',
    950: '#000000',
  },
}

SCSS

$custom: #428d4d;
$custom-light: #7caf80;
$custom-dark: #000000;

JSON

{
  "hex": "#428d4d",
  "rgb": {
    "r": 66,
    "g": 141,
    "b": 77
  },
  "hsl": {
    "h": 128.8,
    "s": 36.232,
    "l": 40.588
  },
  "oklch": {
    "l": 0.57909,
    "c": 0.12191,
    "h": 146.9
  },
  "luminance": 0.20744
}

Semantic roles & 50–950 ramp

primary

#428D4D

secondary

#B07BA8

accent

#5CBCCC

background

#F7FAF7

surface

#EEF4EE

border

#C9CEC9

text

#0A100A

muted

#7C7F7C

Preview Lab

Preview with #428D4D

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

Preview Lab → · Contrast checker → · Palette generator →