#428B45#428B45

#428B45 is a mid, vivid green. Relative luminance 0.201; OKLCH L 57.2% C 0.127 H 144.5°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#428B45
RGB	rgb(66, 139, 69)
HSL	hsl(122, 36%, 40%)
HSV	hsv(122, 53%, 55%)
CMYK	cmyk(52.5%, 0%, 50.4%, 45.5%)
CIE-LAB	lab(51.90, -38.03, 30.47)
CIE-LCH	lch(51.90, 48.73, 141.30°)
OKLab	oklab(57.24% -0.1033 0.0738)
OKLCH	oklch(57.24% 0.127 144.5)
XYZ	xyz(12.5529, 20.0522, 8.8380)
Luminance	0.2005 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428B45 #8B4288

analogous

#638B42 #428B45 #428B6A

triadic

#428B45 #45428B #8B4542

tetradic

#428B45 #42638B #8B4288 #8B6A42

square

#428B45 #42638B #8B4288 #8B6A42

split-complementary

#428B45 #6A428B #8B4263

monochromatic

#1B381C #2E6230 #428B45 #5AB15D #83C486

Accessibility & contrast

On white

4.19

#428B45 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#428B45 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428B45

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428B45	#FFFFFF	#000000	##000000
##428B45	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D803F

Deuteranopia (green-blind)

#83794A

Tritanopia (blue-blind)

#37887B

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #428b45;
/* rgb */ color: rgb(66, 139, 69);
/* oklch */ color: oklch(57.2% 0.127 144.5);

Tailwind

colors: {
  custom: {
    50: '#7cad7a',
    500: '#428b45',
    950: '#000000',
  },
}

SCSS

$custom: #428b45;
$custom-light: #7cad7a;
$custom-dark: #000000;

JSON

{
  "hex": "#428b45",
  "rgb": {
    "r": 66,
    "g": 139,
    "b": 69
  },
  "hsl": {
    "h": 122.466,
    "s": 35.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.57238,
    "c": 0.12695,
    "h": 144.5
  },
  "luminance": 0.20053
}

Semantic roles & 50–950 ramp

primary

#428B45

secondary

#AF7AAD

accent

#5CC7CC

background

#F7FAF7

surface

#EEF4ED

border

#C9CEC8

text

#0A1009

muted

#7C7F7B

Preview Lab

Preview with #428B45

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

Preview Lab → · Contrast checker → · Palette generator →