#498B18#498B18

#498B18 is a mid, vivid yellow-green. Relative luminance 0.199; OKLCH L 57.1% C 0.158 H 135.6°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#498B18
RGB	rgb(73, 139, 24)
HSL	hsl(94, 71%, 32%)
HSV	hsv(94, 83%, 55%)
CMYK	cmyk(47.5%, 0%, 82.7%, 45.5%)
CIE-LAB	lab(51.78, -40.31, 49.96)
CIE-LCH	lch(51.78, 64.19, 128.89°)
OKLab	oklab(57.09% -0.1126 0.1102)
OKLCH	oklch(57.09% 0.158 135.6)
XYZ	xyz(12.1448, 19.9469, 4.0742)
Luminance	0.1995 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#498B18 #5A188B

analogous

#838B18 #498B18 #188B21

triadic

#498B18 #18498B #8B1849

tetradic

#498B18 #18838B #5A188B #8B2118

square

#498B18 #18838B #5A188B #8B2118

split-complementary

#498B18 #21188B #8B1883

monochromatic

#122306 #2E570F #498B18 #64BF21 #83DE3F

Accessibility & contrast

On white

4.21

#498B18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#498B18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #498B18

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##498B18	#FFFFFF	#000000	##000000
##498B18	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#907F00

Deuteranopia (green-blind)

#887926

Tritanopia (blue-blind)

#478576

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #498b18;
/* rgb */ color: rgb(73, 139, 24);
/* oklch */ color: oklch(57.1% 0.158 135.6);

Tailwind

colors: {
  custom: {
    50: '#83ad60',
    500: '#498b18',
    950: '#000000',
  },
}

SCSS

$custom: #498b18;
$custom-light: #83ad60;
$custom-dark: #000000;

JSON

{
  "hex": "#498b18",
  "rgb": {
    "r": 73,
    "g": 139,
    "b": 24
  },
  "hsl": {
    "h": 94.435,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.57089,
    "c": 0.15761,
    "h": 135.6
  },
  "luminance": 0.19948
}

Semantic roles & 50–950 ramp

primary

#498B18

secondary

#8940BE

accent

#3AEDA1

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0B1005

muted

#7C7F7A

Preview Lab

Preview with #498B18

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

Preview Lab → · Contrast checker → · Palette generator →