#428C33#428C33

#428C33 is a mid, vivid green. Relative luminance 0.202; OKLCH L 57.3% C 0.145 H 140.4°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#428C33
RGB	rgb(66, 140, 51)
HSL	hsl(110, 47%, 37%)
HSV	hsv(110, 64%, 55%)
CMYK	cmyk(52.9%, 0%, 63.6%, 45.1%)
CIE-LAB	lab(52.01, -40.77, 39.59)
CIE-LCH	lch(52.01, 56.83, 135.85°)
OKLab	oklab(57.26% -0.1116 0.0923)
OKLCH	oklch(57.26% 0.145 140.4)
XYZ	xyz(12.2219, 20.1525, 6.3771)
Luminance	0.2015 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428C33 #7D338C

analogous

#6E8C33 #428C33 #338C51

triadic

#428C33 #33428C #8C3342

tetradic

#428C33 #336E8C #7D338C #8C5133

square

#428C33 #336E8C #7D338C #8C5133

split-complementary

#428C33 #51338C #8C336E

monochromatic

#183212 #2D5F23 #428C33 #57B943 #7ECB6F

Accessibility & contrast

On white

4.17

#428C33 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#428C33 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428C33

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428C33	#FFFFFF	#000000	##000000
##428C33	1.00	4.17	5.03	5.03
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#908029

Deuteranopia (green-blind)

#867A3A

Tritanopia (blue-blind)

#3A8879

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #428c33;
/* rgb */ color: rgb(66, 140, 51);
/* oklch */ color: oklch(57.3% 0.145 140.4);

Tailwind

colors: {
  custom: {
    50: '#7dae6e',
    500: '#428c33',
    950: '#000000',
  },
}

SCSS

$custom: #428c33;
$custom-light: #7dae6e;
$custom-dark: #000000;

JSON

{
  "hex": "#428c33",
  "rgb": {
    "r": 66,
    "g": 140,
    "b": 51
  },
  "hsl": {
    "h": 109.888,
    "s": 46.597,
    "l": 37.451
  },
  "oklch": {
    "l": 0.57262,
    "c": 0.14484,
    "h": 140.4
  },
  "luminance": 0.20153
}

Semantic roles & 50–950 ramp

primary

#428C33

secondary

#A668B2

accent

#52D6C0

background

#F8FAF6

surface

#EFF4EC

border

#CACEC7

text

#0A1007

muted

#7C7F7A

Preview Lab

Preview with #428C33

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

Preview Lab → · Contrast checker → · Palette generator →