#428F33#428F33

#428F33 is a mid, vivid green. Relative luminance 0.210; OKLCH L 58.1% C 0.149 H 140.5°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX#428F33
RGBrgb(66, 143, 51)
HSLhsl(110, 47%, 38%)
HSVhsv(110, 64%, 56%)
CMYKcmyk(53.8%, 0%, 64.3%, 43.9%)
CIE-LABlab(52.99, -42.00, 40.69)
CIE-LCHlch(52.99, 58.48, 135.91°)
OKLaboklab(58.07% -0.115 0.0946)
OKLCHoklch(58.07% 0.149 140.5)
XYZxyz(12.6662, 21.0412, 6.5252)
Luminance0.2104 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#428F33 #80338F
analogous
#708F33 #428F33 #338F52
triadic
#428F33 #33428F #8F3342
tetradic
#428F33 #33708F #80338F #8F5233
square
#428F33 #33708F #80338F #8F5233
split-complementary
#428F33 #52338F #8F3370
monochromatic
#183513 #2D6223 #428F33 #57BC43 #7FCC70

Accessibility & contrast

On white

4.03
#428F33 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.21
#428F33 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428F33
5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##428F33#FFFFFF#000000##000000
##428F331.004.035.215.21
#FFFFFF4.031.0021.0021.00
#0000005.2121.001.001.00
##0000005.2121.001.001.00

Color blindness preview

Protanopia (red-blind)
#938328
Deuteranopia (green-blind)
#897C3B
Tritanopia (blue-blind)
#398B7C
Achromatopsia (no color)
#7E7E7E

Design tokens & code

CSS
--color: #428f33;
/* rgb */ color: rgb(66, 143, 51);
/* oklch */ color: oklch(58.1% 0.149 140.5);
Tailwind
colors: {
  custom: {
    50: '#7eb06f',
    500: '#428f33',
    950: '#000000',
  },
}
SCSS
$custom: #428f33;
$custom-light: #7eb06f;
$custom-dark: #000000;
JSON
{
  "hex": "#428f33",
  "rgb": {
    "r": 66,
    "g": 143,
    "b": 51
  },
  "hsl": {
    "h": 110.217,
    "s": 47.423,
    "l": 38.039
  },
  "oklch": {
    "l": 0.58072,
    "c": 0.14889,
    "h": 140.5
  },
  "luminance": 0.21042
}

Semantic roles & 50–950 ramp

primary
#428F33
secondary
#A86AB4
accent
#51D7C1
background
#F8FAF6
surface
#EFF5EC
border
#CACFC7
text
#0A1107
muted
#7C807A

Preview Lab

Preview with #428F33

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

Preview Lab → · Contrast checker → · Palette generator →

#428F33 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva