#647C1F#647C1F

#647C1F is a mid, vivid yellow-green. Relative luminance 0.172; OKLCH L 54.9% C 0.120 H 123.1°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#647C1F
RGB	rgb(100, 124, 31)
HSL	hsl(75, 60%, 30%)
HSV	hsv(75, 75%, 49%)
CMYK	cmyk(19.4%, 0%, 75%, 51.4%)
CIE-LAB	lab(48.54, -22.50, 45.06)
CIE-LCH	lch(48.54, 50.37, 116.53°)
OKLab	oklab(54.87% -0.0656 0.1005)
OKLCH	oklch(54.87% 0.12 123.1)
XYZ	xyz(12.7107, 17.2235, 3.9509)
Luminance	0.1722 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647C1F #371F7C

analogous

#7C651F #647C1F #357C1F

triadic

#647C1F #1F647C #7C1F64

tetradic

#647C1F #1F7C65 #371F7C #7C1F35

square

#647C1F #1F7C65 #371F7C #7C1F35

split-complementary

#647C1F #1F357C #651F7C

monochromatic

#151A07 #3D4B13 #647C1F #8BAD2B #ACD045

Accessibility & contrast

On white

4.72

#647C1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#647C1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647C1F

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647C1F	#FFFFFF	#000000	##FFFFFF
##647C1F	1.00	4.72	4.44	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#83740E

Deuteranopia (green-blind)

#807327

Tritanopia (blue-blind)

#69766A

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #647c1f;
/* rgb */ color: rgb(100, 124, 31);
/* oklch */ color: oklch(54.9% 0.120 123.1);

Tailwind

colors: {
  custom: {
    50: '#93a262',
    500: '#647c1f',
    950: '#000000',
  },
}

SCSS

$custom: #647c1f;
$custom-light: #93a262;
$custom-dark: #000000;

JSON

{
  "hex": "#647c1f",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 31
  },
  "hsl": {
    "h": 75.484,
    "s": 60,
    "l": 30.392
  },
  "oklch": {
    "l": 0.54872,
    "c": 0.12001,
    "h": 123.1
  },
  "luminance": 0.17224
}

Semantic roles & 50–950 ramp

primary

#647C1F

secondary

#6248AF

accent

#45E36E

background

#F9F9F6

surface

#F2F2EB

border

#CCCCC6

text

#0D0F05

muted

#7E7E7A

Preview Lab

Preview with #647C1F

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

Preview Lab → · Contrast checker → · Palette generator →