#55AD28#55AD28

#55AD28 is a light, vivid yellow-green. Relative luminance 0.320; OKLCH L 66.7% C 0.185 H 137.5°. Best body text is #000000 at 7.39:1 contrast (WCAG AA passes).

Color values

HEX#55AD28
RGBrgb(85, 173, 40)
HSLhsl(100, 62%, 42%)
HSVhsv(100, 77%, 68%)
CMYKcmyk(50.9%, 0%, 76.9%, 32.2%)
CIE-LABlab(63.32, -49.17, 55.98)
CIE-LCHlch(63.32, 74.51, 131.29°)
OKLaboklab(66.75% -0.1363 0.1251)
OKLCHoklch(66.75% 0.185 137.5)
XYZxyz(19.0723, 31.9702, 7.1729)
Luminance0.3197 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#55AD28 #8028AD
analogous
#98AD28 #55AD28 #28AD3E
triadic
#55AD28 #2855AD #AD2855
tetradic
#55AD28 #2898AD #8028AD #AD3E28
square
#55AD28 #2898AD #8028AD #AD3E28
split-complementary
#55AD28 #3E28AD #AD2898
monochromatic
#244A11 #3D7B1D #55AD28 #71D33F #96DE71

Accessibility & contrast

On white

2.84
#55AD28 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.39
#55AD28 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55AD28
7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##55AD28#FFFFFF#000000##000000
##55AD281.002.847.397.39
#FFFFFF2.841.0021.0021.00
#0000007.3921.001.001.00
##0000007.3921.001.001.00

Color blindness preview

Protanopia (red-blind)
#B39E06
Deuteranopia (green-blind)
#A79736
Tritanopia (blue-blind)
#4FA794
Achromatopsia (no color)
#999999

Design tokens & code

CSS
--color: #55ad28;
/* rgb */ color: rgb(85, 173, 40);
/* oklch */ color: oklch(66.7% 0.185 137.5);
Tailwind
colors: {
  custom: {
    50: '#8dc66c',
    500: '#55ad28',
    950: '#000000',
  },
}
SCSS
$custom: #55ad28;
$custom-light: #8dc66c;
$custom-dark: #000000;
JSON
{
  "hex": "#55ad28",
  "rgb": {
    "r": 85,
    "g": 173,
    "b": 40
  },
  "hsl": {
    "h": 99.699,
    "s": 62.441,
    "l": 41.765
  },
  "oklch": {
    "l": 0.66745,
    "c": 0.18496,
    "h": 137.5
  },
  "luminance": 0.31972
}

Semantic roles & 50–950 ramp

primary
#55AD28
secondary
#A76CC5
accent
#42E6AE
background
#F9FCF6
surface
#F1F8EC
border
#CBD1C7
text
#0D1307
muted
#7E827A

Preview Lab

Preview with #55AD28

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

Preview Lab → · Contrast checker → · Palette generator →

#55AD28 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva