#647918#647918

#647918 is a mid, vivid yellow-green. Relative luminance 0.165; OKLCH L 54.1% C 0.120 H 121.6°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#647918
RGB	rgb(100, 121, 24)
HSL	hsl(73, 67%, 28%)
HSV	hsv(73, 80%, 47%)
CMYK	cmyk(17.4%, 0%, 80.2%, 52.5%)
CIE-LAB	lab(47.56, -21.35, 46.65)
CIE-LCH	lch(47.56, 51.30, 114.59°)
OKLab	oklab(54.07% -0.0631 0.1026)
OKLCH	oklch(54.07% 0.12 121.6)
XYZ	xyz(12.2580, 16.4500, 3.3934)
Luminance	0.1645 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647918 #2D1879

analogous

#795D18 #647918 #337918

triadic

#647918 #186479 #791864

tetradic

#647918 #18795D #2D1879 #791833

square

#647918 #18795D #2D1879 #791833

split-complementary

#647918 #183379 #5D1879

monochromatic

#151A05 #3A460E #647918 #8EAC22 #B4D735

Accessibility & contrast

On white

4.90

#647918 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#647918 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647918

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647918	#FFFFFF	#000000	##FFFFFF
##647918	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#817100

Deuteranopia (green-blind)

#7E7121

Tritanopia (blue-blind)

#6A7267

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #647918;
/* rgb */ color: rgb(100, 121, 24);
/* oklch */ color: oklch(54.1% 0.120 121.6);

Tailwind

colors: {
  custom: {
    50: '#939f5e',
    500: '#647918',
    950: '#000000',
  },
}

SCSS

$custom: #647918;
$custom-light: #939f5e;
$custom-dark: #000000;

JSON

{
  "hex": "#647918",
  "rgb": {
    "r": 100,
    "g": 121,
    "b": 24
  },
  "hsl": {
    "h": 72.99,
    "s": 66.897,
    "l": 28.431
  },
  "oklch": {
    "l": 0.54066,
    "c": 0.1204,
    "h": 121.6
  },
  "luminance": 0.1645
}

Semantic roles & 50–950 ramp

primary

#647918

secondary

#573FAE

accent

#3EEA63

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0E05

muted

#7E7E79

Preview Lab

Preview with #647918

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

Preview Lab → · Contrast checker → · Palette generator →