#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
RGB	rgb(73, 124, 24)
HSL	hsl(91, 68%, 29%)
HSV	hsv(91, 81%, 49%)
CMYK	cmyk(41.1%, 0%, 80.6%, 51.4%)
CIE-LAB	lab(46.84, -33.88, 45.37)
CIE-LCH	lch(46.84, 56.62, 126.75°)
OKLab	oklab(53.04% -0.0954 0.1006)
OKLCH	oklch(53.04% 0.139 133.5)
XYZ	xyz(10.1200, 15.8972, 3.3992)
Luminance	0.1590 (WCAG relative)
Temperature	warm
Family	yellow-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
##497C18	1.00	5.02	4.18	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

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 →