#647F1D#647F1D

#647F1D is a mid, vivid yellow-green. Relative luminance 0.180; OKLCH L 55.6% C 0.125 H 124.2°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#647F1D
RGB	rgb(100, 127, 29)
HSL	hsl(77, 63%, 31%)
HSV	hsv(77, 77%, 50%)
CMYK	cmyk(21.3%, 0%, 77.2%, 50.2%)
CIE-LAB	lab(49.47, -24.13, 46.70)
CIE-LCH	lch(49.47, 52.57, 117.33°)
OKLab	oklab(55.62% -0.0703 0.1036)
OKLCH	oklch(55.62% 0.125 124.2)
XYZ	xyz(13.0668, 17.9767, 3.9436)
Luminance	0.1798 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647F1D #381D7F

analogous

#7F691D #647F1D #337F1D

triadic

#647F1D #1D647F #7F1D64

tetradic

#647F1D #1D7F69 #381D7F #7F1D33

square

#647F1D #1D7F69 #381D7F #7F1D33

split-complementary

#647F1D #1D337F #691D7F

monochromatic

#161B06 #3D4D12 #647F1D #8BB128 #ACD442

Accessibility & contrast

On white

4.57

#647F1D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#647F1D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647F1D

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647F1D	#FFFFFF	#000000	##000000
##647F1D	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#867607

Deuteranopia (green-blind)

#837526

Tritanopia (blue-blind)

#69786C

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #647f1d;
/* rgb */ color: rgb(100, 127, 29);
/* oklch */ color: oklch(55.6% 0.125 124.2);

Tailwind

colors: {
  custom: {
    50: '#93a461',
    500: '#647f1d',
    950: '#000000',
  },
}

SCSS

$custom: #647f1d;
$custom-light: #93a461;
$custom-dark: #000000;

JSON

{
  "hex": "#647f1d",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 29
  },
  "hsl": {
    "h": 76.531,
    "s": 62.821,
    "l": 30.588
  },
  "oklch": {
    "l": 0.55618,
    "c": 0.12517,
    "h": 124.2
  },
  "luminance": 0.17977
}

Semantic roles & 50–950 ramp

primary

#647F1D

secondary

#6345B2

accent

#42E66F

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0D0F05

muted

#7E7F7A

Preview Lab

Preview with #647F1D

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

Preview Lab → · Contrast checker → · Palette generator →