#497F18#497F18

#497F18 is a mid, vivid yellow-green. Relative luminance 0.167; OKLCH L 53.8% C 0.142 H 134.0°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#497F18
RGB	rgb(73, 127, 24)
HSL	hsl(91, 68%, 30%)
HSV	hsv(91, 81%, 50%)
CMYK	cmyk(42.5%, 0%, 81.1%, 50.2%)
CIE-LAB	lab(47.83, -35.20, 46.30)
CIE-LCH	lch(47.83, 58.16, 127.25°)
OKLab	oklab(53.85% -0.0989 0.1026)
OKLCH	oklch(53.85% 0.142 134)
XYZ	xyz(10.5017, 16.6606, 3.5264)
Luminance	0.1666 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#497F18 #4E187F

analogous

#7D7F18 #497F18 #187F1A

triadic

#497F18 #18497F #7F1849

tetradic

#497F18 #187D7F #4E187F #7F1A18

square

#497F18 #187D7F #4E187F #7F1A18

split-complementary

#497F18 #1A187F #7F187D

monochromatic

#0F1A05 #2B4C0E #497F18 #67B222 #85D938

Accessibility & contrast

On white

4.85

#497F18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#497F18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #497F18

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##497F18	#FFFFFF	#000000	##FFFFFF
##497F18	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#847400

Deuteranopia (green-blind)

#7D7023

Tritanopia (blue-blind)

#497A6C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #497f18;
/* rgb */ color: rgb(73, 127, 24);
/* oklch */ color: oklch(53.8% 0.142 134.0);

Tailwind

colors: {
  custom: {
    50: '#81a45e',
    500: '#497f18',
    950: '#000000',
  },
}

SCSS

$custom: #497f18;
$custom-light: #81a45e;
$custom-dark: #000000;

JSON

{
  "hex": "#497f18",
  "rgb": {
    "r": 73,
    "g": 127,
    "b": 24
  },
  "hsl": {
    "h": 91.456,
    "s": 68.212,
    "l": 29.608
  },
  "oklch": {
    "l": 0.5385,
    "c": 0.14249,
    "h": 134
  },
  "luminance": 0.16661
}

Semantic roles & 50–950 ramp

primary

#497F18

secondary

#7C3FB3

accent

#3DEB98

background

#F8FAF5

surface

#EFF4EA

border

#CACEC6

text

#0B0F05

muted

#7C7F79

Preview Lab

Preview with #497F18

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

Preview Lab → · Contrast checker → · Palette generator →