#647C1B#647C1B

#647C1B is a mid, vivid yellow-green. Relative luminance 0.172; OKLCH L 54.8% C 0.122 H 122.9°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#647C1B
RGB	rgb(100, 124, 27)
HSL	hsl(75, 64%, 30%)
HSV	hsv(75, 78%, 49%)
CMYK	cmyk(19.4%, 0%, 78.2%, 51.4%)
CIE-LAB	lab(48.52, -22.73, 46.51)
CIE-LCH	lch(48.52, 51.77, 116.04°)
OKLab	oklab(54.84% -0.0666 0.1028)
OKLCH	oklch(54.84% 0.123 122.9)
XYZ	xyz(12.6612, 17.2037, 3.6903)
Luminance	0.1720 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647C1B #331B7C

analogous

#7C631B #647C1B #347C1B

triadic

#647C1B #1B647C #7C1B64

tetradic

#647C1B #1B7C63 #331B7C #7C1B34

square

#647C1B #1B7C63 #331B7C #7C1B34

split-complementary

#647C1B #1B347C #631B7C

monochromatic

#141905 #3B4A10 #647C1B #8DAE26 #AFD53D

Accessibility & contrast

On white

4.73

#647C1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#647C1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647C1B

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647C1B	#FFFFFF	#000000	##FFFFFF
##647C1B	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)

#847404

Deuteranopia (green-blind)

#817324

Tritanopia (blue-blind)

#69756A

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #647c1b;
/* rgb */ color: rgb(100, 124, 27);
/* oklch */ color: oklch(54.8% 0.122 122.9);

Tailwind

colors: {
  custom: {
    50: '#93a260',
    500: '#647c1b',
    950: '#000000',
  },
}

SCSS

$custom: #647c1b;
$custom-light: #93a260;
$custom-dark: #000000;

JSON

{
  "hex": "#647c1b",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 27
  },
  "hsl": {
    "h": 74.845,
    "s": 64.238,
    "l": 29.608
  },
  "oklch": {
    "l": 0.54844,
    "c": 0.1225,
    "h": 122.9
  },
  "luminance": 0.17204
}

Semantic roles & 50–950 ramp

primary

#647C1B

secondary

#5E43B0

accent

#41E76A

background

#F9F9F5

surface

#F2F2EA

border

#CCCCC6

text

#0D0F05

muted

#7E7E79

Preview Lab

Preview with #647C1B

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

Preview Lab → · Contrast checker → · Palette generator →