#647E2B#647E2B

#647E2B is a mid, moderate yellow-green. Relative luminance 0.178; OKLCH L 55.5% C 0.114 H 124.8°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#647E2B
RGB	rgb(100, 126, 43)
HSL	hsl(79, 49%, 33%)
HSV	hsv(79, 66%, 49%)
CMYK	cmyk(20.6%, 0%, 65.9%, 50.6%)
CIE-LAB	lab(49.26, -22.67, 40.76)
CIE-LCH	lch(49.26, 46.64, 119.08°)
OKLab	oklab(55.48% -0.0649 0.0933)
OKLCH	oklch(55.48% 0.114 124.8)
XYZ	xyz(13.1525, 17.8053, 5.0289)
Luminance	0.1781 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647E2B #452B7E

analogous

#7E6E2B #647E2B #3B7E2B

triadic

#647E2B #2B647E #7E2B64

tetradic

#647E2B #2B7E6E #452B7E #7E2B3B

square

#647E2B #2B7E6E #452B7E #7E2B3B

split-complementary

#647E2B #2B3B7E #6E2B7E

monochromatic

#1C230C #40501B #647E2B #88AC3B #A6C75C

Accessibility & contrast

On white

4.60

#647E2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#647E2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #647E2B

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647E2B	#FFFFFF	#000000	##FFFFFF
##647E2B	1.00	4.60	4.56	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#857621

Deuteranopia (green-blind)

#817531

Tritanopia (blue-blind)

#68786D

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #647e2b;
/* rgb */ color: rgb(100, 126, 43);
/* oklch */ color: oklch(55.5% 0.114 124.8);

Tailwind

colors: {
  custom: {
    50: '#92a369',
    500: '#647e2b',
    950: '#000000',
  },
}

SCSS

$custom: #647e2b;
$custom-light: #92a369;
$custom-dark: #000000;

JSON

{
  "hex": "#647e2b",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 43
  },
  "hsl": {
    "h": 78.795,
    "s": 49.112,
    "l": 33.137
  },
  "oklch": {
    "l": 0.55482,
    "c": 0.11369,
    "h": 124.8
  },
  "luminance": 0.17805
}

Semantic roles & 50–950 ramp

primary

#647E2B

secondary

#7258AD

accent

#4FD97A

background

#F9FAF6

surface

#F1F3EB

border

#CBCDC6

text

#0D0F06

muted

#7E7F7A

Preview Lab

Preview with #647E2B

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

Preview Lab → · Contrast checker → · Palette generator →