#428F27#428F27

#428F27 is a mid, vivid green. Relative luminance 0.209; OKLCH L 58.0% C 0.158 H 138.9°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#428F27
RGB	rgb(66, 143, 39)
HSL	hsl(104, 57%, 36%)
HSV	hsv(104, 73%, 56%)
CMYK	cmyk(53.8%, 0%, 72.7%, 43.9%)
CIE-LAB	lab(52.89, -43.13, 45.72)
CIE-LCH	lch(52.89, 62.85, 133.33°)
OKLab	oklab(57.96% -0.1188 0.1037)
OKLCH	oklch(57.96% 0.158 138.9)
XYZ	xyz(12.4350, 20.9487, 5.3073)
Luminance	0.2095 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428F27 #74278F

analogous

#768F27 #428F27 #278F40

triadic

#428F27 #27428F #8F2742

tetradic

#428F27 #27768F #74278F #8F4027

square

#428F27 #27768F #74278F #8F4027

split-complementary

#428F27 #40278F #8F2776

monochromatic

#162F0D #2C5F1A #428F27 #58BF34 #7CD35D

Accessibility & contrast

On white

4.05

#428F27 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#428F27 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428F27

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428F27	#FFFFFF	#000000	##000000
##428F27	1.00	4.05	5.19	5.19
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#938216

Deuteranopia (green-blind)

#897C31

Tritanopia (blue-blind)

#3B8A7A

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #428f27;
/* rgb */ color: rgb(66, 143, 39);
/* oklch */ color: oklch(58.0% 0.158 138.9);

Tailwind

colors: {
  custom: {
    50: '#7eb068',
    500: '#428f27',
    950: '#000000',
  },
}

SCSS

$custom: #428f27;
$custom-light: #7eb068;
$custom-dark: #000000;

JSON

{
  "hex": "#428f27",
  "rgb": {
    "r": 66,
    "g": 143,
    "b": 39
  },
  "hsl": {
    "h": 104.423,
    "s": 57.143,
    "l": 35.686
  },
  "oklch": {
    "l": 0.57956,
    "c": 0.15771,
    "h": 138.9
  },
  "luminance": 0.2095
}

Semantic roles & 50–950 ramp

primary

#428F27

secondary

#A05AB8

accent

#47E0B9

background

#F8FAF6

surface

#EFF5EB

border

#CACFC6

text

#0B1106

muted

#7C807A

Preview Lab

Preview with #428F27

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

Preview Lab → · Contrast checker → · Palette generator →