#428F50#428F50

#428F50 is a mid, vivid green. Relative luminance 0.214; OKLCH L 58.5% C 0.122 H 147.7°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#428F50
RGB	rgb(66, 143, 80)
HSL	hsl(131, 37%, 41%)
HSV	hsv(131, 54%, 56%)
CMYK	cmyk(53.8%, 0%, 44.1%, 43.9%)
CIE-LAB	lab(53.36, -38.00, 26.44)
CIE-LCH	lch(53.36, 46.29, 145.17°)
OKLab	oklab(58.5% -0.103 0.0651)
OKLCH	oklch(58.5% 0.122 147.7)
XYZ	xyz(13.5163, 21.3812, 11.0026)
Luminance	0.2138 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428F50 #8F4281

analogous

#5A8F42 #428F50 #428F76

triadic

#428F50 #50428F #8F5042

tetradic

#428F50 #425A8F #8F4281 #8F7642

square

#428F50 #425A8F #8F4281 #8F7642

split-complementary

#428F50 #76428F #8F425A

monochromatic

#1B3B21 #2F6539 #428F50 #5BB36B #85C791

Accessibility & contrast

On white

3.98

#428F50 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.28

#428F50 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428F50

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428F50	#FFFFFF	#000000	##000000
##428F50	1.00	3.98	5.28	5.28
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.28	21.00	1.00	1.00
##000000	5.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#90844B

Deuteranopia (green-blind)

#867D54

Tritanopia (blue-blind)

#338C80

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #428f50;
/* rgb */ color: rgb(66, 143, 80);
/* oklch */ color: oklch(58.5% 0.122 147.7);

Tailwind

colors: {
  custom: {
    50: '#7db082',
    500: '#428f50',
    950: '#000000',
  },
}

SCSS

$custom: #428f50;
$custom-light: #7db082;
$custom-dark: #000000;

JSON

{
  "hex": "#428f50",
  "rgb": {
    "r": 66,
    "g": 143,
    "b": 80
  },
  "hsl": {
    "h": 130.909,
    "s": 36.842,
    "l": 40.98
  },
  "oklch": {
    "l": 0.58496,
    "c": 0.12187,
    "h": 147.7
  },
  "luminance": 0.21382
}

Semantic roles & 50–950 ramp

primary

#428F50

secondary

#B17BA8

accent

#5BB8CD

background

#F7FAF8

surface

#EEF5EF

border

#C9CFCA

text

#0A100A

muted

#7C7F7C

Preview Lab

Preview with #428F50

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

Preview Lab → · Contrast checker → · Palette generator →