#428C27#428C27

#428C27 is a mid, vivid green. Relative luminance 0.201; OKLCH L 57.1% C 0.154 H 138.7°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#428C27
RGB	rgb(66, 140, 39)
HSL	hsl(104, 56%, 35%)
HSV	hsv(104, 72%, 55%)
CMYK	cmyk(52.9%, 0%, 72.1%, 45.1%)
CIE-LAB	lab(51.91, -41.93, 44.71)
CIE-LCH	lch(51.91, 61.29, 133.16°)
OKLab	oklab(57.14% -0.1156 0.1016)
OKLCH	oklch(57.14% 0.154 138.7)
XYZ	xyz(11.9906, 20.0600, 5.1592)
Luminance	0.2006 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428C27 #71278C

analogous

#758C27 #428C27 #278C3E

triadic

#428C27 #27428C #8C2742

tetradic

#428C27 #27758C #71278C #8C3E27

square

#428C27 #27758C #71278C #8C3E27

split-complementary

#428C27 #3E278C #8C2775

monochromatic

#152C0C #2B5C1A #428C27 #59BC34 #7BD25C

Accessibility & contrast

On white

4.19

#428C27 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#428C27 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428C27

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428C27	#FFFFFF	#000000	##000000
##428C27	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#908017

Deuteranopia (green-blind)

#877931

Tritanopia (blue-blind)

#3C8778

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #428c27;
/* rgb */ color: rgb(66, 140, 39);
/* oklch */ color: oklch(57.1% 0.154 138.7);

Tailwind

colors: {
  custom: {
    50: '#7eae67',
    500: '#428c27',
    950: '#000000',
  },
}

SCSS

$custom: #428c27;
$custom-light: #7eae67;
$custom-dark: #000000;

JSON

{
  "hex": "#428c27",
  "rgb": {
    "r": 66,
    "g": 140,
    "b": 39
  },
  "hsl": {
    "h": 103.96,
    "s": 56.425,
    "l": 35.098
  },
  "oklch": {
    "l": 0.57142,
    "c": 0.15387,
    "h": 138.7
  },
  "luminance": 0.20061
}

Semantic roles & 50–950 ramp

primary

#428C27

secondary

#9D58B7

accent

#48E0B7

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0B1006

muted

#7C7F7A

Preview Lab

Preview with #428C27

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

Preview Lab → · Contrast checker → · Palette generator →