#428C50#428C50

#428C50 is a mid, moderate green. Relative luminance 0.205; OKLCH L 57.7% C 0.117 H 148.0°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#428C50
RGB	rgb(66, 140, 80)
HSL	hsl(131, 36%, 40%)
HSV	hsv(131, 53%, 55%)
CMYK	cmyk(52.9%, 0%, 42.9%, 45.1%)
CIE-LAB	lab(52.39, -36.69, 25.18)
CIE-LCH	lch(52.39, 44.50, 145.54°)
OKLab	oklab(57.7% -0.0995 0.0622)
OKLCH	oklch(57.7% 0.117 148)
XYZ	xyz(13.0720, 20.4925, 10.8545)
Luminance	0.2049 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428C50 #8C427E

analogous

#598C42 #428C50 #428C75

triadic

#428C50 #50428C #8C5042

tetradic

#428C50 #42598C #8C427E #8C7542

square

#428C50 #42598C #8C427E #8C7542

split-complementary

#428C50 #75428C #8C4259

monochromatic

#1B3920 #2E6238 #428C50 #5AB16A #84C590

Accessibility & contrast

On white

4.12

#428C50 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#428C50 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428C50

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428C50	#FFFFFF	#000000	##000000
##428C50	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D814C

Deuteranopia (green-blind)

#837A54

Tritanopia (blue-blind)

#34897D

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #428c50;
/* rgb */ color: rgb(66, 140, 80);
/* oklch */ color: oklch(57.7% 0.117 148.0);

Tailwind

colors: {
  custom: {
    50: '#7cae82',
    500: '#428c50',
    950: '#000000',
  },
}

SCSS

$custom: #428c50;
$custom-light: #7cae82;
$custom-dark: #000000;

JSON

{
  "hex": "#428c50",
  "rgb": {
    "r": 66,
    "g": 140,
    "b": 80
  },
  "hsl": {
    "h": 131.351,
    "s": 35.922,
    "l": 40.392
  },
  "oklch": {
    "l": 0.57697,
    "c": 0.11735,
    "h": 148
  },
  "luminance": 0.20494
}

Semantic roles & 50–950 ramp

primary

#428C50

secondary

#B07AA5

accent

#5CB7CC

background

#F7FAF7

surface

#EEF4EE

border

#C9CEC9

text

#0A100A

muted

#7C7F7C

Preview Lab

Preview with #428C50

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

Preview Lab → · Contrast checker → · Palette generator →