#428D4A#428D4A

#428D4A is a mid, vivid green. Relative luminance 0.207; OKLCH L 57.9% C 0.125 H 145.9°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#428D4A
RGB	rgb(66, 141, 74)
HSL	hsl(126, 36%, 41%)
HSV	hsv(126, 53%, 55%)
CMYK	cmyk(53.2%, 0%, 47.5%, 44.7%)
CIE-LAB	lab(52.62, -38.12, 28.72)
CIE-LCH	lch(52.62, 47.73, 143.00°)
OKLab	oklab(57.86% -0.1034 0.0701)
OKLCH	oklch(57.86% 0.125 145.9)
XYZ	xyz(13.0069, 20.7014, 9.7876)
Luminance	0.2070 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428D4A #8D4285

analogous

#5F8D42 #428D4A #428D6F

triadic

#428D4A #4A428D #8D4A42

tetradic

#428D4A #425F8D #8D4285 #8D6F42

square

#428D4A #425F8D #8D4285 #8D6F42

split-complementary

#428D4A #6F428D #8D425F

monochromatic

#1B3A1E #2E6334 #428D4A #5AB264 #84C58B

Accessibility & contrast

On white

4.09

#428D4A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#428D4A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428D4A

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428D4A	#FFFFFF	#000000	##000000
##428D4A	1.00	4.09	5.14	5.14
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F8245

Deuteranopia (green-blind)

#857B4E

Tritanopia (blue-blind)

#358A7D

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #428d4a;
/* rgb */ color: rgb(66, 141, 74);
/* oklch */ color: oklch(57.9% 0.125 145.9);

Tailwind

colors: {
  custom: {
    50: '#7caf7e',
    500: '#428d4a',
    950: '#000000',
  },
}

SCSS

$custom: #428d4a;
$custom-light: #7caf7e;
$custom-dark: #000000;

JSON

{
  "hex": "#428d4a",
  "rgb": {
    "r": 66,
    "g": 141,
    "b": 74
  },
  "hsl": {
    "h": 126.4,
    "s": 36.232,
    "l": 40.588
  },
  "oklch": {
    "l": 0.57856,
    "c": 0.12493,
    "h": 145.9
  },
  "luminance": 0.20702
}

Semantic roles & 50–950 ramp

primary

#428D4A

secondary

#B07BAA

accent

#5CC0CC

background

#F7FAF7

surface

#EEF4EE

border

#C9CEC9

text

#0A100A

muted

#7C7F7C

Preview Lab

Preview with #428D4A

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

Preview Lab → · Contrast checker → · Palette generator →