#428F55#428F55

#428F55 is a mid, moderate green. Relative luminance 0.215; OKLCH L 58.6% C 0.117 H 149.6°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#428F55
RGB	rgb(66, 143, 85)
HSL	hsl(135, 37%, 41%)
HSV	hsv(135, 54%, 56%)
CMYK	cmyk(53.8%, 0%, 40.6%, 43.9%)
CIE-LAB	lab(53.45, -37.13, 23.82)
CIE-LCH	lch(53.45, 44.11, 147.32°)
OKLab	oklab(58.59% -0.1007 0.0591)
OKLCH	oklch(58.59% 0.117 149.6)
XYZ	xyz(13.7080, 21.4579, 12.0120)
Luminance	0.2146 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428F55 #8F427C

analogous

#558F42 #428F55 #428F7B

triadic

#428F55 #55428F #8F5542

tetradic

#428F55 #42558F #8F427C #8F7B42

square

#428F55 #42558F #8F427C #8F7B42

split-complementary

#428F55 #7B428F #8F4255

monochromatic

#1B3B23 #2F653C #428F55 #5BB371 #85C795

Accessibility & contrast

On white

3.97

#428F55 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#428F55 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428F55

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428F55	#FFFFFF	#000000	##000000
##428F55	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#908451

Deuteranopia (green-blind)

#857D59

Tritanopia (blue-blind)

#318D81

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #428f55;
/* rgb */ color: rgb(66, 143, 85);
/* oklch */ color: oklch(58.6% 0.117 149.6);

Tailwind

colors: {
  custom: {
    50: '#7db085',
    500: '#428f55',
    950: '#000000',
  },
}

SCSS

$custom: #428f55;
$custom-light: #7db085;
$custom-dark: #000000;

JSON

{
  "hex": "#428f55",
  "rgb": {
    "r": 66,
    "g": 143,
    "b": 85
  },
  "hsl": {
    "h": 134.805,
    "s": 36.842,
    "l": 40.98
  },
  "oklch": {
    "l": 0.58591,
    "c": 0.11678,
    "h": 149.6
  },
  "luminance": 0.21459
}

Semantic roles & 50–950 ramp

primary

#428F55

secondary

#B17BA4

accent

#5BB1CD

background

#F7FAF8

surface

#EEF5EF

border

#C9CFCA

text

#0A100B

muted

#7C7F7C

Preview Lab

Preview with #428F55

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

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