#55B221#55B221

#55B221 is a light, vivid yellow-green. Relative luminance 0.339; OKLCH L 68.0% C 0.194 H 137.4°. Best body text is #000000 at 7.78:1 contrast (WCAG AA passes).

Color values

HEX#55B221
RGBrgb(85, 178, 33)
HSLhsl(98, 69%, 41%)
HSVhsv(98, 81%, 70%)
CMYKcmyk(52.2%, 0%, 81.5%, 30.2%)
CIE-LABlab(64.87, -51.47, 59.58)
CIE-LCHlch(64.87, 78.73, 130.82°)
OKLaboklab(68.01% -0.1429 0.1316)
OKLCHoklch(68.01% 0.194 137.4)
XYZxyz(19.9406, 33.8804, 6.9273)
Luminance0.3388 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#55B221 #7E21B2
analogous
#9EB221 #55B221 #21B236
triadic
#55B221 #2155B2 #B22155
tetradic
#55B221 #219EB2 #7E21B2 #B23621
square
#55B221 #219EB2 #7E21B2 #B23621
split-complementary
#55B221 #3621B2 #B2219E
monochromatic
#244B0E #3C7E17 #55B221 #71DA36 #96E36A

Accessibility & contrast

On white

2.70
#55B221 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.78
#55B221 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B221
7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##55B221#FFFFFF#000000##000000
##55B2211.002.707.787.78
#FFFFFF2.701.0021.0021.00
#0000007.7821.001.001.00
##0000007.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#B8A200
Deuteranopia (green-blind)
#AC9B33
Tritanopia (blue-blind)
#4EAB98
Achromatopsia (no color)
#9D9D9D

Design tokens & code

CSS
--color: #55b221;
/* rgb */ color: rgb(85, 178, 33);
/* oklch */ color: oklch(68.0% 0.194 137.4);
Tailwind
colors: {
  custom: {
    50: '#8eca6a',
    500: '#55b221',
    950: '#000000',
  },
}
SCSS
$custom: #55b221;
$custom-light: #8eca6a;
$custom-dark: #000000;
JSON
{
  "hex": "#55b221",
  "rgb": {
    "r": 85,
    "g": 178,
    "b": 33
  },
  "hsl": {
    "h": 98.483,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.6801,
    "c": 0.19422,
    "h": 137.4
  },
  "luminance": 0.33882
}

Semantic roles & 50–950 ramp

primary
#55B221
secondary
#A566C9
accent
#3CECAD
background
#F9FCF6
surface
#F2F8EC
border
#CCD1C7
text
#0D1307
muted
#7E827A

Preview Lab

Preview with #55B221

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

Preview Lab → · Contrast checker → · Palette generator →

#55B221 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva