#428D28#428D28

#428D28 is a mid, vivid green. Relative luminance 0.204; OKLCH L 57.4% C 0.154 H 138.9°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#428D28
RGB	rgb(66, 141, 40)
HSL	hsl(105, 56%, 35%)
HSV	hsv(105, 72%, 55%)
CMYK	cmyk(53.2%, 0%, 71.6%, 44.7%)
CIE-LAB	lab(52.24, -42.24, 44.65)
CIE-LCH	lch(52.24, 61.47, 133.41°)
OKLab	oklab(57.42% -0.1164 0.1016)
OKLCH	oklch(57.42% 0.154 138.9)
XYZ	xyz(12.1542, 20.3603, 5.2965)
Luminance	0.2036 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428D28 #73288D

analogous

#758D28 #428D28 #288D40

triadic

#428D28 #28428D #8D2842

tetradic

#428D28 #28758D #73288D #8D4028

square

#428D28 #28758D #73288D #8D4028

split-complementary

#428D28 #40288D #8D2875

monochromatic

#152E0D #2C5D1A #428D28 #58BD36 #7CD15E

Accessibility & contrast

On white

4.14

#428D28 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#428D28 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428D28

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428D28	#FFFFFF	#000000	##000000
##428D28	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#918118

Deuteranopia (green-blind)

#887A32

Tritanopia (blue-blind)

#3B8879

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #428d28;
/* rgb */ color: rgb(66, 141, 40);
/* oklch */ color: oklch(57.4% 0.154 138.9);

Tailwind

colors: {
  custom: {
    50: '#7eaf68',
    500: '#428d28',
    950: '#000000',
  },
}

SCSS

$custom: #428d28;
$custom-light: #7eaf68;
$custom-dark: #000000;

JSON

{
  "hex": "#428d28",
  "rgb": {
    "r": 66,
    "g": 141,
    "b": 40
  },
  "hsl": {
    "h": 104.554,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.57422,
    "c": 0.15447,
    "h": 138.9
  },
  "luminance": 0.20361
}

Semantic roles & 50–950 ramp

primary

#428D28

secondary

#9F5AB7

accent

#49DFB8

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0B1006

muted

#7C7F7A

Preview Lab

Preview with #428D28

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

Preview Lab → · Contrast checker → · Palette generator →