#647B1D#647B1D

#647B1D is a mid, vivid yellow-green. Relative luminance 0.170; OKLCH L 54.6% C 0.120 H 122.6°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#647B1D
RGB	rgb(100, 123, 29)
HSL	hsl(75, 62%, 30%)
HSV	hsv(75, 76%, 48%)
CMYK	cmyk(18.7%, 0%, 76.4%, 51.8%)
CIE-LAB	lab(48.21, -22.11, 45.50)
CIE-LCH	lch(48.21, 50.59, 115.92°)
OKLab	oklab(54.6% -0.0647 0.1011)
OKLCH	oklch(54.6% 0.12 122.6)
XYZ	xyz(12.5604, 16.9639, 3.7748)
Luminance	0.1696 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647B1D #341D7B

analogous

#7B631D #647B1D #357B1D

triadic

#647B1D #1D647B #7B1D64

tetradic

#647B1D #1D7B63 #341D7B #7B1D35

square

#647B1D #1D7B63 #341D7B #7B1D35

split-complementary

#647B1D #1D357B #631D7B

monochromatic

#141906 #3C4911 #647B1D #8CAD29 #AED240

Accessibility & contrast

On white

4.78

#647B1D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#647B1D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647B1D

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647B1D	#FFFFFF	#000000	##FFFFFF
##647B1D	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#83730A

Deuteranopia (green-blind)

#807225

Tritanopia (blue-blind)

#697469

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #647b1d;
/* rgb */ color: rgb(100, 123, 29);
/* oklch */ color: oklch(54.6% 0.120 122.6);

Tailwind

colors: {
  custom: {
    50: '#93a161',
    500: '#647b1d',
    950: '#000000',
  },
}

SCSS

$custom: #647b1d;
$custom-light: #93a161;
$custom-dark: #000000;

JSON

{
  "hex": "#647b1d",
  "rgb": {
    "r": 100,
    "g": 123,
    "b": 29
  },
  "hsl": {
    "h": 74.681,
    "s": 61.842,
    "l": 29.804
  },
  "oklch": {
    "l": 0.54604,
    "c": 0.12,
    "h": 122.6
  },
  "luminance": 0.16964
}

Semantic roles & 50–950 ramp

primary

#647B1D

secondary

#5F45AF

accent

#43E56B

background

#F9F9F5

surface

#F2F2EA

border

#CCCCC6

text

#0D0F05

muted

#7E7E79

Preview Lab

Preview with #647B1D

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

Preview Lab → · Contrast checker → · Palette generator →