#497E18#497E18

#497E18 is a mid, vivid yellow-green. Relative luminance 0.164; OKLCH L 53.6% C 0.141 H 133.8°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#497E18
RGB	rgb(73, 126, 24)
HSL	hsl(91, 68%, 29%)
HSV	hsv(91, 81%, 49%)
CMYK	cmyk(42.1%, 0%, 81%, 50.6%)
CIE-LAB	lab(47.50, -34.76, 45.99)
CIE-LCH	lch(47.50, 57.65, 127.08°)
OKLab	oklab(53.58% -0.0977 0.1019)
OKLCH	oklch(53.58% 0.141 133.8)
XYZ	xyz(10.3732, 16.4036, 3.4836)
Luminance	0.1640 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#497E18 #4D187E

analogous

#7C7E18 #497E18 #187E1A

triadic

#497E18 #18497E #7E1849

tetradic

#497E18 #187C7E #4D187E #7E1A18

square

#497E18 #187C7E #4D187E #7E1A18

split-complementary

#497E18 #1A187E #7E187C

monochromatic

#0F1A05 #2B4B0E #497E18 #67B122 #85D937

Accessibility & contrast

On white

4.91

#497E18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#497E18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #497E18

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##497E18	#FFFFFF	#000000	##FFFFFF
##497E18	1.00	4.91	4.28	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#837300

Deuteranopia (green-blind)

#7C6F23

Tritanopia (blue-blind)

#49796B

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #497e18;
/* rgb */ color: rgb(73, 126, 24);
/* oklch */ color: oklch(53.6% 0.141 133.8);

Tailwind

colors: {
  custom: {
    50: '#81a45e',
    500: '#497e18',
    950: '#000000',
  },
}

SCSS

$custom: #497e18;
$custom-light: #81a45e;
$custom-dark: #000000;

JSON

{
  "hex": "#497e18",
  "rgb": {
    "r": 73,
    "g": 126,
    "b": 24
  },
  "hsl": {
    "h": 91.176,
    "s": 68,
    "l": 29.412
  },
  "oklch": {
    "l": 0.53579,
    "c": 0.1412,
    "h": 133.8
  },
  "luminance": 0.16404
}

Semantic roles & 50–950 ramp

primary

#497E18

secondary

#7B3FB2

accent

#3DEB97

background

#F8FAF5

surface

#EFF4E9

border

#CACEC5

text

#0B0F05

muted

#7C7F79

Preview Lab

Preview with #497E18

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

Preview Lab → · Contrast checker → · Palette generator →