#28AC3B#28AC3B

#28AC3B is a light, vivid green. Relative luminance 0.303; OKLCH L 65.3% C 0.189 H 144.9°. Best body text is #000000 at 7.05:1 contrast (WCAG AA passes).

Color values

HEX#28AC3B
RGBrgb(40, 172, 59)
HSLhsl(129, 62%, 42%)
HSVhsv(129, 77%, 67%)
CMYKcmyk(76.7%, 0%, 65.7%, 32.5%)
CIE-LABlab(61.89, -57.27, 46.80)
CIE-LCHlch(61.89, 73.96, 140.75°)
OKLaboklab(65.25% -0.1546 0.1086)
OKLCHoklch(65.25% 0.189 144.9)
XYZxyz(16.4159, 30.2700, 9.1144)
Luminance0.3027 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#28AC3B #AC2899
analogous
#57AC28 #28AC3B #28AC7D
triadic
#28AC3B #3B28AC #AC3B28
tetradic
#28AC3B #2857AC #AC2899 #AC7D28
square
#28AC3B #2857AC #AC2899 #AC7D28
split-complementary
#28AC3B #7D28AC #AC2857
monochromatic
#114919 #1C7A2A #28AC3B #3FD254 #71DE80

Accessibility & contrast

On white

2.98
#28AC3B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.05
#28AC3B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #28AC3B
7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##28AC3B#FFFFFF#000000##000000
##28AC3B1.002.987.057.05
#FFFFFF2.981.0021.0021.00
#0000007.0521.001.001.00
##0000007.0521.001.001.00

Color blindness preview

Protanopia (red-blind)
#AF9C2D
Deuteranopia (green-blind)
#A09245
Tritanopia (blue-blind)
#00A795
Achromatopsia (no color)
#959595

Design tokens & code

CSS
--color: #28ac3b;
/* rgb */ color: rgb(40, 172, 59);
/* oklch */ color: oklch(65.3% 0.189 144.9);
Tailwind
colors: {
  custom: {
    50: '#78c676',
    500: '#28ac3b',
    950: '#000000',
  },
}
SCSS
$custom: #28ac3b;
$custom-light: #78c676;
$custom-dark: #000000;
JSON
{
  "hex": "#28ac3b",
  "rgb": {
    "r": 40,
    "g": 172,
    "b": 59
  },
  "hsl": {
    "h": 128.636,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.65253,
    "c": 0.18892,
    "h": 144.9
  },
  "luminance": 0.30272
}

Semantic roles & 50–950 ramp

primary
#28AC3B
secondary
#C56BB8
accent
#42CEE5
background
#F8FCF7
surface
#EFF8ED
border
#CAD1C8
text
#0A1309
muted
#7C827B

Preview Lab

Preview with #28AC3B

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

Preview Lab → · Contrast checker → · Palette generator →

#28AC3B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva