#428C64#428C64

#428C64 is a mid, moderate green. Relative luminance 0.208; OKLCH L 58.1% C 0.097 H 157.7°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#428C64
RGB	rgb(66, 140, 100)
HSL	hsl(148, 36%, 40%)
HSV	hsv(148, 53%, 55%)
CMYK	cmyk(52.9%, 0%, 28.6%, 45.1%)
CIE-LAB	lab(52.77, -32.83, 14.49)
CIE-LCH	lch(52.77, 35.88, 156.18°)
OKLab	oklab(58.13% -0.0899 0.0369)
OKLCH	oklch(58.13% 0.097 157.7)
XYZ	xyz(13.9240, 20.8333, 15.3416)
Luminance	0.2084 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428C64 #8C426A

analogous

#458C42 #428C64 #428C89

triadic

#428C64 #64428C #8C6442

tetradic

#428C64 #42458C #8C426A #8C8942

square

#428C64 #42458C #8C426A #8C8942

split-complementary

#428C64 #89428C #8C4245

monochromatic

#1B3929 #2E6246 #428C64 #5AB182 #84C5A2

Accessibility & contrast

On white

4.06

#428C64 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#428C64 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428C64

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428C64	#FFFFFF	#000000	##000000
##428C64	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B8262

Deuteranopia (green-blind)

#807B66

Tritanopia (blue-blind)

#2C8B81

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #428c64;
/* rgb */ color: rgb(66, 140, 100);
/* oklch */ color: oklch(58.1% 0.097 157.7);

Tailwind

colors: {
  custom: {
    50: '#7cae90',
    500: '#428c64',
    950: '#000000',
  },
}

SCSS

$custom: #428c64;
$custom-light: #7cae90;
$custom-dark: #000000;

JSON

{
  "hex": "#428c64",
  "rgb": {
    "r": 66,
    "g": 140,
    "b": 100
  },
  "hsl": {
    "h": 147.568,
    "s": 35.922,
    "l": 40.392
  },
  "oklch": {
    "l": 0.58129,
    "c": 0.09719,
    "h": 157.7
  },
  "luminance": 0.20835
}

Semantic roles & 50–950 ramp

primary

#428C64

secondary

#B07A97

accent

#5C98CC

background

#F7FAF8

surface

#EEF4F0

border

#C9CECB

text

#0A100C

muted

#7C7F7D

Preview Lab

Preview with #428C64

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

Preview Lab → · Contrast checker → · Palette generator →