#497C18#497C18

#497C18 is a mid, vivid yellow-green. Relative luminance 0.159; OKLCH L 53.0% C 0.139 H 133.5°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX#497C18
RGBrgb(73, 124, 24)
HSLhsl(91, 68%, 29%)
HSVhsv(91, 81%, 49%)
CMYKcmyk(41.1%, 0%, 80.6%, 51.4%)
CIE-LABlab(46.84, -33.88, 45.37)
CIE-LCHlch(46.84, 56.62, 126.75°)
OKLaboklab(53.04% -0.0954 0.1006)
OKLCHoklch(53.04% 0.139 133.5)
XYZxyz(10.1200, 15.8972, 3.3992)
Luminance0.1590 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#497C18 #4B187C
analogous
#7B7C18 #497C18 #187C19
triadic
#497C18 #18497C #7C1849
tetradic
#497C18 #187B7C #4B187C #7C1918
square
#497C18 #187B7C #4B187C #7C1918
split-complementary
#497C18 #19187C #7C187B
monochromatic
#0F1A05 #2B490E #497C18 #67AF22 #86D836

Accessibility & contrast

On white

5.02
#497C18 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.18
#497C18 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #497C18
5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##497C18#FFFFFF#000000##FFFFFF
##497C181.005.024.185.02
#FFFFFF5.021.0021.001.00
#0000004.1821.001.0021.00
##FFFFFF5.021.0021.001.00

Color blindness preview

Protanopia (red-blind)
#817200
Deuteranopia (green-blind)
#7A6E23
Tritanopia (blue-blind)
#497769
Achromatopsia (no color)
#6F6F6F

Design tokens & code

CSS
--color: #497c18;
/* rgb */ color: rgb(73, 124, 24);
/* oklch */ color: oklch(53.0% 0.139 133.5);
Tailwind
colors: {
  custom: {
    50: '#81a25e',
    500: '#497c18',
    950: '#000000',
  },
}
SCSS
$custom: #497c18;
$custom-light: #81a25e;
$custom-dark: #000000;
JSON
{
  "hex": "#497c18",
  "rgb": {
    "r": 73,
    "g": 124,
    "b": 24
  },
  "hsl": {
    "h": 90.6,
    "s": 67.568,
    "l": 29.02
  },
  "oklch": {
    "l": 0.53039,
    "c": 0.13861,
    "h": 133.5
  },
  "luminance": 0.15898
}

Semantic roles & 50–950 ramp

primary
#497C18
secondary
#793FB1
accent
#3DEA96
background
#F8FAF5
surface
#EFF3E9
border
#CACDC5
text
#0B0F05
muted
#7C7F79

Preview Lab

Preview with #497C18

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

Preview Lab → · Contrast checker → · Palette generator →

#497C18 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva