#428B27#428B27

#428B27 is a mid, vivid green. Relative luminance 0.198; OKLCH L 56.9% C 0.153 H 138.6°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#428B27
RGB	rgb(66, 139, 39)
HSL	hsl(104, 56%, 35%)
HSV	hsv(104, 72%, 55%)
CMYK	cmyk(52.5%, 0%, 71.9%, 45.5%)
CIE-LAB	lab(51.58, -41.52, 44.36)
CIE-LCH	lch(51.58, 60.76, 133.10°)
OKLab	oklab(56.87% -0.1145 0.1009)
OKLCH	oklch(56.87% 0.153 138.6)
XYZ	xyz(11.8452, 19.7691, 5.1107)
Luminance	0.1977 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428B27 #70278B

analogous

#748B27 #428B27 #278B3E

triadic

#428B27 #27428B #8B2742

tetradic

#428B27 #27748B #70278B #8B3E27

square

#428B27 #27748B #70278B #8B3E27

split-complementary

#428B27 #3E278B #8B2774

monochromatic

#152B0C #2B5B1A #428B27 #59BB34 #7BD15B

Accessibility & contrast

On white

4.24

#428B27 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#428B27 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428B27

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428B27	#FFFFFF	#000000	##000000
##428B27	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F7F17

Deuteranopia (green-blind)

#867930

Tritanopia (blue-blind)

#3C8677

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #428b27;
/* rgb */ color: rgb(66, 139, 39);
/* oklch */ color: oklch(56.9% 0.153 138.6);

Tailwind

colors: {
  custom: {
    50: '#7ead67',
    500: '#428b27',
    950: '#000000',
  },
}

SCSS

$custom: #428b27;
$custom-light: #7ead67;
$custom-dark: #000000;

JSON

{
  "hex": "#428b27",
  "rgb": {
    "r": 66,
    "g": 139,
    "b": 39
  },
  "hsl": {
    "h": 103.8,
    "s": 56.18,
    "l": 34.902
  },
  "oklch": {
    "l": 0.56871,
    "c": 0.15258,
    "h": 138.6
  },
  "luminance": 0.1977
}

Semantic roles & 50–950 ramp

primary

#428B27

secondary

#9D58B6

accent

#48DFB7

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0A1006

muted

#7C7F7A

Preview Lab

Preview with #428B27

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

Preview Lab → · Contrast checker → · Palette generator →