#28A638#28A638

#28A638 is a light, vivid green. Relative luminance 0.280; OKLCH L 63.6% C 0.184 H 144.7°. Best body text is #000000 at 6.60:1 contrast (WCAG AA passes).

Color values

HEX#28A638
RGBrgb(40, 166, 56)
HSLhsl(128, 61%, 40%)
HSVhsv(128, 76%, 65%)
CMYKcmyk(75.9%, 0%, 66.3%, 34.9%)
CIE-LABlab(59.90, -55.59, 45.90)
CIE-LCHlch(59.90, 72.10, 140.45°)
OKLaboklab(63.59% -0.1502 0.1064)
OKLCHoklch(63.59% 0.184 144.7)
XYZxyz(15.2241, 28.0073, 8.3442)
Luminance0.2801 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#28A638 #A62896
analogous
#57A628 #28A638 #28A677
triadic
#28A638 #3828A6 #A63828
tetradic
#28A638 #2857A6 #A62896 #A67728
square
#28A638 #2857A6 #A62896 #A67728
split-complementary
#28A638 #7728A6 #A62857
monochromatic
#104317 #1C7527 #28A638 #3BD04E #6DDC7B

Accessibility & contrast

On white

3.18
#28A638 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.60
#28A638 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #28A638
6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##28A638#FFFFFF#000000##000000
##28A6381.003.186.606.60
#FFFFFF3.181.0021.0021.00
#0000006.6021.001.001.00
##0000006.6021.001.001.00

Color blindness preview

Protanopia (red-blind)
#A9962A
Deuteranopia (green-blind)
#9B8C42
Tritanopia (blue-blind)
#00A28F
Achromatopsia (no color)
#909090

Design tokens & code

CSS
--color: #28a638;
/* rgb */ color: rgb(40, 166, 56);
/* oklch */ color: oklch(63.6% 0.184 144.7);
Tailwind
colors: {
  custom: {
    50: '#77c274',
    500: '#28a638',
    950: '#000000',
  },
}
SCSS
$custom: #28a638;
$custom-light: #77c274;
$custom-dark: #000000;
JSON
{
  "hex": "#28a638",
  "rgb": {
    "r": 40,
    "g": 166,
    "b": 56
  },
  "hsl": {
    "h": 127.619,
    "s": 61.165,
    "l": 40.392
  },
  "oklch": {
    "l": 0.63592,
    "c": 0.18403,
    "h": 144.7
  },
  "luminance": 0.28009
}

Semantic roles & 50–950 ramp

primary
#28A638
secondary
#C267B7
accent
#44D0E4
background
#F7FCF7
surface
#EEF8ED
border
#C9D1C8
text
#0A1208
muted
#7C817B

Preview Lab

Preview with #28A638

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

Preview Lab → · Contrast checker → · Palette generator →

#28A638 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva