#428D63#428D63

#428D63 is a mid, moderate green. Relative luminance 0.211; OKLCH L 58.4% C 0.100 H 156.8°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#428D63
RGB	rgb(66, 141, 99)
HSL	hsl(146, 36%, 41%)
HSV	hsv(146, 53%, 55%)
CMYK	cmyk(53.2%, 0%, 29.8%, 44.7%)
CIE-LAB	lab(53.07, -33.50, 15.47)
CIE-LCH	lch(53.07, 36.90, 155.21°)
OKLab	oklab(58.37% -0.0916 0.0393)
OKLCH	oklch(58.37% 0.1 156.8)
XYZ	xyz(14.0227, 21.1077, 15.1372)
Luminance	0.2111 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428D63 #8D426C

analogous

#468D42 #428D63 #428D88

triadic

#428D63 #63428D #8D6342

tetradic

#428D63 #42468D #8D426C #8D8842

square

#428D63 #42468D #8D426C #8D8842

split-complementary

#428D63 #88428D #8D4246

monochromatic

#1B3A28 #2E6346 #428D63 #5AB281 #84C5A1

Accessibility & contrast

On white

4.02

#428D63 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#428D63 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428D63

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428D63	#FFFFFF	#000000	##000000
##428D63	1.00	4.02	5.22	5.22
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C8360

Deuteranopia (green-blind)

#817C66

Tritanopia (blue-blind)

#2C8C82

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #428d63;
/* rgb */ color: rgb(66, 141, 99);
/* oklch */ color: oklch(58.4% 0.100 156.8);

Tailwind

colors: {
  custom: {
    50: '#7caf8f',
    500: '#428d63',
    950: '#000000',
  },
}

SCSS

$custom: #428d63;
$custom-light: #7caf8f;
$custom-dark: #000000;

JSON

{
  "hex": "#428d63",
  "rgb": {
    "r": 66,
    "g": 141,
    "b": 99
  },
  "hsl": {
    "h": 146.4,
    "s": 36.232,
    "l": 40.588
  },
  "oklch": {
    "l": 0.58367,
    "c": 0.09969,
    "h": 156.8
  },
  "luminance": 0.21109
}

Semantic roles & 50–950 ramp

primary

#428D63

secondary

#B07B99

accent

#5C9BCC

background

#F7FAF8

surface

#EEF4F0

border

#C9CECB

text

#0A100C

muted

#7C7F7D

Preview Lab

Preview with #428D63

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

Preview Lab → · Contrast checker → · Palette generator →