#647C2B#647C2B

#647C2B is a mid, moderate yellow-green. Relative luminance 0.173; OKLCH L 55.0% C 0.111 H 124.0°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#647C2B
RGB	rgb(100, 124, 43)
HSL	hsl(78, 49%, 33%)
HSV	hsv(78, 65%, 49%)
CMYK	cmyk(19.4%, 0%, 65.3%, 51.4%)
CIE-LAB	lab(48.63, -21.65, 40.09)
CIE-LCH	lch(48.63, 45.56, 118.37°)
OKLab	oklab(54.98% -0.0621 0.0919)
OKLCH	oklch(54.98% 0.111 124)
XYZ	xyz(12.8993, 17.2990, 4.9445)
Luminance	0.1730 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647C2B #432B7C

analogous

#7C6B2B #647C2B #3B7C2B

triadic

#647C2B #2B647C #7C2B64

tetradic

#647C2B #2B7C6B #432B7C #7C2B3B

square

#647C2B #2B7C6B #432B7C #7C2B3B

split-complementary

#647C2B #2B3B7C #6B2B7C

monochromatic

#1B210B #3F4F1B #647C2B #89A93B #A6C65B

Accessibility & contrast

On white

4.71

#647C2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#647C2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647C2B

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647C2B	#FFFFFF	#000000	##FFFFFF
##647C2B	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#837421

Deuteranopia (green-blind)

#807331

Tritanopia (blue-blind)

#69766B

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #647c2b;
/* rgb */ color: rgb(100, 124, 43);
/* oklch */ color: oklch(55.0% 0.111 124.0);

Tailwind

colors: {
  custom: {
    50: '#92a268',
    500: '#647c2b',
    950: '#000000',
  },
}

SCSS

$custom: #647c2b;
$custom-light: #92a268;
$custom-dark: #000000;

JSON

{
  "hex": "#647c2b",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 43
  },
  "hsl": {
    "h": 77.778,
    "s": 48.503,
    "l": 32.745
  },
  "oklch": {
    "l": 0.54978,
    "c": 0.11091,
    "h": 124
  },
  "luminance": 0.17299
}

Semantic roles & 50–950 ramp

primary

#647C2B

secondary

#7057AC

accent

#50D878

background

#F9F9F6

surface

#F1F2EB

border

#CBCCC6

text

#0D0F06

muted

#7E7E7A

Preview Lab

Preview with #647C2B

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

Preview Lab → · Contrast checker → · Palette generator →