#428D55#428D55

#428D55 is a mid, moderate green. Relative luminance 0.209; OKLCH L 58.1% C 0.114 H 149.8°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#428D55
RGB	rgb(66, 141, 85)
HSL	hsl(135, 36%, 41%)
HSV	hsv(135, 53%, 55%)
CMYK	cmyk(53.2%, 0%, 39.7%, 44.7%)
CIE-LAB	lab(52.80, -36.25, 22.96)
CIE-LCH	lch(52.80, 42.91, 147.65°)
OKLab	oklab(58.06% -0.0984 0.0571)
OKLCH	oklch(58.06% 0.114 149.8)
XYZ	xyz(13.4104, 20.8628, 11.9128)
Luminance	0.2086 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428D55 #8D427A

analogous

#548D42 #428D55 #428D7A

triadic

#428D55 #55428D #8D5542

tetradic

#428D55 #42548D #8D427A #8D7A42

square

#428D55 #42548D #8D427A #8D7A42

split-complementary

#428D55 #7A428D #8D4254

monochromatic

#1B3A23 #2E633C #428D55 #5AB270 #84C595

Accessibility & contrast

On white

4.06

#428D55 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#428D55 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428D55

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428D55	#FFFFFF	#000000	##000000
##428D55	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)

#8E8251

Deuteranopia (green-blind)

#837B59

Tritanopia (blue-blind)

#328B7F

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #428d55;
/* rgb */ color: rgb(66, 141, 85);
/* oklch */ color: oklch(58.1% 0.114 149.8);

Tailwind

colors: {
  custom: {
    50: '#7caf85',
    500: '#428d55',
    950: '#000000',
  },
}

SCSS

$custom: #428d55;
$custom-light: #7caf85;
$custom-dark: #000000;

JSON

{
  "hex": "#428d55",
  "rgb": {
    "r": 66,
    "g": 141,
    "b": 85
  },
  "hsl": {
    "h": 135.2,
    "s": 36.232,
    "l": 40.588
  },
  "oklch": {
    "l": 0.5806,
    "c": 0.11374,
    "h": 149.8
  },
  "luminance": 0.20864
}

Semantic roles & 50–950 ramp

primary

#428D55

secondary

#B07BA3

accent

#5CB0CC

background

#F7FAF8

surface

#EEF4EF

border

#C9CECA

text

#0A100B

muted

#7C7F7C

Preview Lab

Preview with #428D55

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

Preview Lab → · Contrast checker → · Palette generator →