#28B04E#28B04E

#28B04E is a light, vivid green. Relative luminance 0.321; OKLCH L 66.6% C 0.179 H 147.8°. Best body text is #000000 at 7.41:1 contrast (WCAG AA passes).

Color values

HEX#28B04E
RGBrgb(40, 176, 78)
HSLhsl(137, 63%, 42%)
HSVhsv(137, 77%, 69%)
CMYKcmyk(77.3%, 0%, 55.7%, 31%)
CIE-LABlab(63.38, -56.25, 39.78)
CIE-LCHlch(63.38, 68.89, 144.73°)
OKLaboklab(66.56% -0.1512 0.0951)
OKLCHoklch(66.56% 0.179 147.8)
XYZxyz(17.7742, 32.0497, 12.4557)
Luminance0.3205 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#28B04E #B0288A
analogous
#46B028 #28B04E #28B092
triadic
#28B04E #4E28B0 #B04E28
tetradic
#28B04E #2846B0 #B0288A #B09228
square
#28B04E #2846B0 #B0288A #B09228
split-complementary
#28B04E #9228B0 #B02846
monochromatic
#114C22 #1D7E38 #28B04E #41D46A #73DF91

Accessibility & contrast

On white

2.83
#28B04E on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.41
#28B04E on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #28B04E
7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##28B04E#FFFFFF#000000##000000
##28B04E1.002.837.417.41
#FFFFFF2.831.0021.0021.00
#0000007.4121.001.001.00
##0000007.4121.001.001.00

Color blindness preview

Protanopia (red-blind)
#B2A045
Deuteranopia (green-blind)
#A39556
Tritanopia (blue-blind)
#00AC9A
Achromatopsia (no color)
#999999

Design tokens & code

CSS
--color: #28b04e;
/* rgb */ color: rgb(40, 176, 78);
/* oklch */ color: oklch(66.6% 0.179 147.8);
Tailwind
colors: {
  custom: {
    50: '#78c982',
    500: '#28b04e',
    950: '#000000',
  },
}
SCSS
$custom: #28b04e;
$custom-light: #78c982;
$custom-dark: #000000;
JSON
{
  "hex": "#28b04e",
  "rgb": {
    "r": 40,
    "g": 176,
    "b": 78
  },
  "hsl": {
    "h": 136.765,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.66559,
    "c": 0.17864,
    "h": 147.8
  },
  "luminance": 0.32052
}

Semantic roles & 50–950 ramp

primary
#28B04E
secondary
#C66DAE
accent
#42B8E6
background
#F8FCF8
surface
#EFF8EF
border
#CAD1CA
text
#0A130B
muted
#7C827C

Preview Lab

Preview with #28B04E

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

Preview Lab → · Contrast checker → · Palette generator →

#28B04E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva