#647C16#647C16

#647C16 is a mid, vivid yellow-green. Relative luminance 0.172; OKLCH L 54.8% C 0.125 H 122.7°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#647C16
RGB	rgb(100, 124, 22)
HSL	hsl(74, 70%, 29%)
HSV	hsv(74, 82%, 49%)
CMYK	cmyk(19.4%, 0%, 82.3%, 51.4%)
CIE-LAB	lab(48.49, -22.97, 48.14)
CIE-LCH	lch(48.49, 53.34, 115.51°)
OKLab	oklab(54.81% -0.0677 0.1054)
OKLCH	oklch(54.81% 0.125 122.7)
XYZ	xyz(12.6082, 17.1825, 3.4112)
Luminance	0.1718 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647C16 #2E167C

analogous

#7C6116 #647C16 #317C16

triadic

#647C16 #16647C #7C1664

tetradic

#647C16 #167C61 #2E167C #7C1631

square

#647C16 #167C61 #2E167C #7C1631

split-complementary

#647C16 #16317C #61167C

monochromatic

#151A05 #3A480D #647C16 #8EB01F #B3DB32

Accessibility & contrast

On white

4.73

#647C16 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#647C16 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647C16

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647C16	#FFFFFF	#000000	##FFFFFF
##647C16	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#847400

Deuteranopia (green-blind)

#817321

Tritanopia (blue-blind)

#6A7569

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #647c16;
/* rgb */ color: rgb(100, 124, 22);
/* oklch */ color: oklch(54.8% 0.125 122.7);

Tailwind

colors: {
  custom: {
    50: '#93a25e',
    500: '#647c16',
    950: '#000000',
  },
}

SCSS

$custom: #647c16;
$custom-light: #93a25e;
$custom-dark: #000000;

JSON

{
  "hex": "#647c16",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 22
  },
  "hsl": {
    "h": 74.118,
    "s": 69.863,
    "l": 28.627
  },
  "oklch": {
    "l": 0.54814,
    "c": 0.12522,
    "h": 122.7
  },
  "luminance": 0.17183
}

Semantic roles & 50–950 ramp

primary

#647C16

secondary

#583DB1

accent

#3BED65

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0F05

muted

#7E7E79

Preview Lab

Preview with #647C16

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

Preview Lab → · Contrast checker → · Palette generator →