#28BF51#28BF51

#28BF51 is a light, vivid green. Relative luminance 0.383; OKLCH L 70.6% C 0.194 H 147.4°. Best body text is #000000 at 8.66:1 contrast (WCAG AA passes).

Color values

HEX#28BF51
RGBrgb(40, 191, 81)
HSLhsl(136, 65%, 45%)
HSVhsv(136, 79%, 75%)
CMYKcmyk(79.1%, 0%, 57.6%, 25.1%)
CIE-LABlab(68.24, -60.90, 44.14)
CIE-LCHlch(68.24, 75.21, 144.07°)
OKLaboklab(70.6% -0.1637 0.1048)
OKLCHoklch(70.6% 0.194 147.4)
XYZxyz(20.9894, 38.3043, 14.0702)
Luminance0.3831 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#28BF51 #BF2896
analogous
#4BBF28 #28BF51 #28BF9C
triadic
#28BF51 #5128BF #BF5128
tetradic
#28BF51 #284BBF #BF2896 #BF9C28
square
#28BF51 #284BBF #BF2896 #BF9C28
split-complementary
#28BF51 #9C28BF #BF284B
monochromatic
#135A26 #1D8C3C #28BF51 #4BD972 #7EE499

Accessibility & contrast

On white

2.42
#28BF51 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.66
#28BF51 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #28BF51
8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##28BF51#FFFFFF#000000##000000
##28BF511.002.428.668.66
#FFFFFF2.421.0021.0021.00
#0000008.6621.001.001.00
##0000008.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#C1AD46
Deuteranopia (green-blind)
#B1A25A
Tritanopia (blue-blind)
#00BBA7
Achromatopsia (no color)
#A6A6A6

Design tokens & code

CSS
--color: #28bf51;
/* rgb */ color: rgb(40, 191, 81);
/* oklch */ color: oklch(70.6% 0.194 147.4);
Tailwind
colors: {
  custom: {
    50: '#7cd485',
    500: '#28bf51',
    950: '#000000',
  },
}
SCSS
$custom: #28bf51;
$custom-light: #7cd485;
$custom-dark: #000000;
JSON
{
  "hex": "#28bf51",
  "rgb": {
    "r": 40,
    "g": 191,
    "b": 81
  },
  "hsl": {
    "h": 136.291,
    "s": 65.368,
    "l": 45.294
  },
  "oklch": {
    "l": 0.706,
    "c": 0.1944,
    "h": 147.4
  },
  "luminance": 0.38307
}

Semantic roles & 50–950 ramp

primary
#28BF51
secondary
#CC77B5
accent
#3FBAE8
background
#F8FDF8
surface
#EFFAEF
border
#CAD3CA
text
#0B140B
muted
#7C837C

Preview Lab

Preview with #28BF51

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

Preview Lab → · Contrast checker → · Palette generator →

#28BF51 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva