#428D54#428D54

#428D54 is a mid, moderate green. Relative luminance 0.208; OKLCH L 58.0% C 0.115 H 149.4°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#428D54
RGB	rgb(66, 141, 84)
HSL	hsl(134, 36%, 41%)
HSV	hsv(134, 53%, 55%)
CMYK	cmyk(53.2%, 0%, 40.4%, 44.7%)
CIE-LAB	lab(52.78, -36.43, 23.49)
CIE-LCH	lch(52.78, 43.35, 147.18°)
OKLab	oklab(58.04% -0.0988 0.0584)
OKLCH	oklch(58.04% 0.115 149.4)
XYZ	xyz(13.3710, 20.8470, 11.7051)
Luminance	0.2085 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428D54 #8D427B

analogous

#558D42 #428D54 #428D79

triadic

#428D54 #54428D #8D5442

tetradic

#428D54 #42558D #8D427B #8D7942

square

#428D54 #42558D #8D427B #8D7942

split-complementary

#428D54 #79428D #8D4255

monochromatic

#1B3A22 #2E633B #428D54 #5AB26F #84C594

Accessibility & contrast

On white

4.06

#428D54 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#428D54 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428D54

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428D54	#FFFFFF	#000000	##000000
##428D54	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)

#8E8250

Deuteranopia (green-blind)

#847B58

Tritanopia (blue-blind)

#328B7F

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #428d54;
/* rgb */ color: rgb(66, 141, 84);
/* oklch */ color: oklch(58.0% 0.115 149.4);

Tailwind

colors: {
  custom: {
    50: '#7caf85',
    500: '#428d54',
    950: '#000000',
  },
}

SCSS

$custom: #428d54;
$custom-light: #7caf85;
$custom-dark: #000000;

JSON

{
  "hex": "#428d54",
  "rgb": {
    "r": 66,
    "g": 141,
    "b": 84
  },
  "hsl": {
    "h": 134.4,
    "s": 36.232,
    "l": 40.588
  },
  "oklch": {
    "l": 0.5804,
    "c": 0.11477,
    "h": 149.4
  },
  "luminance": 0.20848
}

Semantic roles & 50–950 ramp

primary

#428D54

secondary

#B07BA3

accent

#5CB1CC

background

#F7FAF8

surface

#EEF4EF

border

#C9CECA

text

#0A100B

muted

#7C7F7C

Preview Lab

Preview with #428D54

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

Preview Lab → · Contrast checker → · Palette generator →