#647E1D#647E1D

#647E1D is a mid, vivid yellow-green. Relative luminance 0.177; OKLCH L 55.4% C 0.124 H 123.8°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#647E1D
RGB	rgb(100, 126, 29)
HSL	hsl(76, 63%, 30%)
HSV	hsv(76, 77%, 49%)
CMYK	cmyk(20.6%, 0%, 77%, 50.6%)
CIE-LAB	lab(49.15, -23.63, 46.40)
CIE-LCH	lch(49.15, 52.07, 116.99°)
OKLab	oklab(55.36% -0.0689 0.103)
OKLCH	oklch(55.36% 0.124 123.8)
XYZ	xyz(12.9383, 17.7196, 3.9008)
Luminance	0.1772 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647E1D #371D7E

analogous

#7E671D #647E1D #347E1D

triadic

#647E1D #1D647E #7E1D64

tetradic

#647E1D #1D7E67 #371D7E #7E1D34

square

#647E1D #1D7E67 #371D7E #7E1D34

split-complementary

#647E1D #1D347E #671D7E

monochromatic

#151B06 #3D4C12 #647E1D #8BB028 #ACD342

Accessibility & contrast

On white

4.62

#647E1D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#647E1D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #647E1D

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647E1D	#FFFFFF	#000000	##FFFFFF
##647E1D	1.00	4.62	4.54	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#867608

Deuteranopia (green-blind)

#827526

Tritanopia (blue-blind)

#69776C

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #647e1d;
/* rgb */ color: rgb(100, 126, 29);
/* oklch */ color: oklch(55.4% 0.124 123.8);

Tailwind

colors: {
  custom: {
    50: '#93a361',
    500: '#647e1d',
    950: '#000000',
  },
}

SCSS

$custom: #647e1d;
$custom-light: #93a361;
$custom-dark: #000000;

JSON

{
  "hex": "#647e1d",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 29
  },
  "hsl": {
    "h": 76.082,
    "s": 62.581,
    "l": 30.392
  },
  "oklch": {
    "l": 0.55364,
    "c": 0.12387,
    "h": 123.8
  },
  "luminance": 0.1772
}

Semantic roles & 50–950 ramp

primary

#647E1D

secondary

#6245B1

accent

#42E66E

background

#F9FAF6

surface

#F2F3EB

border

#CCCDC6

text

#0D0F05

muted

#7E7F7A

Preview Lab

Preview with #647E1D

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

Preview Lab → · Contrast checker → · Palette generator →