#55AA21#55AA21

#55AA21 is a light, vivid yellow-green. Relative luminance 0.308; OKLCH L 65.9% C 0.185 H 136.8°. Best body text is #000000 at 7.16:1 contrast (WCAG AA passes).

Color values

HEX#55AA21
RGBrgb(85, 170, 33)
HSLhsl(97, 67%, 40%)
HSVhsv(97, 81%, 67%)
CMYKcmyk(50%, 0%, 80.6%, 33.3%)
CIE-LABlab(62.33, -48.41, 57.24)
CIE-LCHlch(62.33, 74.97, 130.22°)
OKLaboklab(65.92% -0.1347 0.1267)
OKLCHoklch(65.92% 0.185 136.8)
XYZxyz(18.3950, 30.7893, 6.4122)
Luminance0.3079 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#55AA21 #7621AA
analogous
#9AAA21 #55AA21 #21AA31
triadic
#55AA21 #2155AA #AA2155
tetradic
#55AA21 #219AAA #7621AA #AA3121
square
#55AA21 #219AAA #7621AA #AA3121
split-complementary
#55AA21 #3121AA #AA219A
monochromatic
#22430D #3B7717 #55AA21 #70D731 #94E164

Accessibility & contrast

On white

2.93
#55AA21 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.16
#55AA21 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55AA21
7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##55AA21#FFFFFF#000000##000000
##55AA211.002.937.167.16
#FFFFFF2.931.0021.0021.00
#0000007.1621.001.001.00
##0000007.1621.001.001.00

Color blindness preview

Protanopia (red-blind)
#B09B00
Deuteranopia (green-blind)
#A59431
Tritanopia (blue-blind)
#50A491
Achromatopsia (no color)
#979797

Design tokens & code

CSS
--color: #55aa21;
/* rgb */ color: rgb(85, 170, 33);
/* oklch */ color: oklch(65.9% 0.185 136.8);
Tailwind
colors: {
  custom: {
    50: '#8dc469',
    500: '#55aa21',
    950: '#000000',
  },
}
SCSS
$custom: #55aa21;
$custom-light: #8dc469;
$custom-dark: #000000;
JSON
{
  "hex": "#55aa21",
  "rgb": {
    "r": 85,
    "g": 170,
    "b": 33
  },
  "hsl": {
    "h": 97.226,
    "s": 67.488,
    "l": 39.804
  },
  "oklch": {
    "l": 0.6592,
    "c": 0.18486,
    "h": 136.8
  },
  "luminance": 0.30791
}

Semantic roles & 50–950 ramp

primary
#55AA21
secondary
#A061C6
accent
#3DEAA9
background
#F9FCF6
surface
#F1F8EB
border
#CBD1C6
text
#0D1307
muted
#7E827A

Preview Lab

Preview with #55AA21

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

Preview Lab → · Contrast checker → · Palette generator →

#55AA21 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva