#428F45#428F45

#428F45 is a mid, vivid green. Relative luminance 0.212; OKLCH L 58.3% C 0.133 H 144.4°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#428F45
RGB	rgb(66, 143, 69)
HSL	hsl(122, 37%, 41%)
HSV	hsv(122, 54%, 56%)
CMYK	cmyk(53.8%, 0%, 51.7%, 43.9%)
CIE-LAB	lab(53.20, -39.73, 32.08)
CIE-LCH	lch(53.20, 51.07, 141.08°)
OKLab	oklab(58.31% -0.1079 0.0774)
OKLCH	oklch(58.31% 0.133 144.4)
XYZ	xyz(13.1427, 21.2318, 9.0346)
Luminance	0.2123 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428F45 #8F428C

analogous

#658F42 #428F45 #428F6B

triadic

#428F45 #45428F #8F4542

tetradic

#428F45 #42658F #8F428C #8F6B42

square

#428F45 #42658F #8F428C #8F6B42

split-complementary

#428F45 #6B428F #8F4265

monochromatic

#1B3B1D #2F6531 #428F45 #5BB35E #85C787

Accessibility & contrast

On white

4.00

#428F45 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#428F45 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428F45

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428F45	#FFFFFF	#000000	##000000
##428F45	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91833F

Deuteranopia (green-blind)

#877C4A

Tritanopia (blue-blind)

#368B7E

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #428f45;
/* rgb */ color: rgb(66, 143, 69);
/* oklch */ color: oklch(58.3% 0.133 144.4);

Tailwind

colors: {
  custom: {
    50: '#7db07a',
    500: '#428f45',
    950: '#000000',
  },
}

SCSS

$custom: #428f45;
$custom-light: #7db07a;
$custom-dark: #000000;

JSON

{
  "hex": "#428f45",
  "rgb": {
    "r": 66,
    "g": 143,
    "b": 69
  },
  "hsl": {
    "h": 122.338,
    "s": 36.842,
    "l": 40.98
  },
  "oklch": {
    "l": 0.5831,
    "c": 0.13279,
    "h": 144.4
  },
  "luminance": 0.21233
}

Semantic roles & 50–950 ramp

primary

#428F45

secondary

#B17BAF

accent

#5BC8CD

background

#F7FAF7

surface

#EEF5EE

border

#C9CFC9

text

#0A1009

muted

#7C7F7B

Preview Lab

Preview with #428F45

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

Preview Lab → · Contrast checker → · Palette generator →