#497D18#497D18

#497D18 is a mid, vivid yellow-green. Relative luminance 0.162; OKLCH L 53.3% C 0.140 H 133.6°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#497D18
RGB	rgb(73, 125, 24)
HSL	hsl(91, 68%, 29%)
HSV	hsv(91, 81%, 49%)
CMYK	cmyk(41.6%, 0%, 80.8%, 51%)
CIE-LAB	lab(47.17, -34.32, 45.68)
CIE-LCH	lch(47.17, 57.14, 126.92°)
OKLab	oklab(53.31% -0.0965 0.1013)
OKLCH	oklch(53.31% 0.14 133.6)
XYZ	xyz(10.2460, 16.1491, 3.4412)
Luminance	0.1615 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#497D18 #4C187D

analogous

#7C7D18 #497D18 #187D1A

triadic

#497D18 #18497D #7D1849

tetradic

#497D18 #187C7D #4C187D #7D1A18

square

#497D18 #187C7D #4C187D #7D1A18

split-complementary

#497D18 #1A187D #7D187C

monochromatic

#0F1A05 #2B4A0E #497D18 #67B022 #85D937

Accessibility & contrast

On white

4.96

#497D18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#497D18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #497D18

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##497D18	#FFFFFF	#000000	##FFFFFF
##497D18	1.00	4.96	4.23	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#827200

Deuteranopia (green-blind)

#7B6E23

Tritanopia (blue-blind)

#49786A

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #497d18;
/* rgb */ color: rgb(73, 125, 24);
/* oklch */ color: oklch(53.3% 0.140 133.6);

Tailwind

colors: {
  custom: {
    50: '#81a35e',
    500: '#497d18',
    950: '#000000',
  },
}

SCSS

$custom: #497d18;
$custom-light: #81a35e;
$custom-dark: #000000;

JSON

{
  "hex": "#497d18",
  "rgb": {
    "r": 73,
    "g": 125,
    "b": 24
  },
  "hsl": {
    "h": 90.891,
    "s": 67.785,
    "l": 29.216
  },
  "oklch": {
    "l": 0.53309,
    "c": 0.13991,
    "h": 133.6
  },
  "luminance": 0.1615
}

Semantic roles & 50–950 ramp

primary

#497D18

secondary

#7A3FB2

accent

#3DEB96

background

#F8FAF5

surface

#EFF4E9

border

#CACEC5

text

#0B0F05

muted

#7C7F79

Preview Lab

Preview with #497D18

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

Preview Lab → · Contrast checker → · Palette generator →