#647D1B#647D1B

#647D1B is a mid, vivid yellow-green. Relative luminance 0.175; OKLCH L 55.1% C 0.124 H 123.3°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#647D1B
RGB	rgb(100, 125, 27)
HSL	hsl(75, 64%, 30%)
HSV	hsv(75, 78%, 49%)
CMYK	cmyk(20%, 0%, 78.4%, 51%)
CIE-LAB	lab(48.83, -23.23, 46.81)
CIE-LCH	lch(48.83, 52.26, 116.40°)
OKLab	oklab(55.1% -0.068 0.1035)
OKLCH	oklch(55.1% 0.124 123.3)
XYZ	xyz(12.7871, 17.4556, 3.7323)
Luminance	0.1746 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647D1B #341B7D

analogous

#7D651B #647D1B #337D1B

triadic

#647D1B #1B647D #7D1B64

tetradic

#647D1B #1B7D65 #341B7D #7D1B33

square

#647D1B #1B7D65 #341B7D #7D1B33

split-complementary

#647D1B #1B337D #651B7D

monochromatic

#141905 #3C4B10 #647D1B #8CAF26 #AED53D

Accessibility & contrast

On white

4.68

#647D1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#647D1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647D1B

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647D1B	#FFFFFF	#000000	##FFFFFF
##647D1B	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#857504

Deuteranopia (green-blind)

#817424

Tritanopia (blue-blind)

#69766B

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #647d1b;
/* rgb */ color: rgb(100, 125, 27);
/* oklch */ color: oklch(55.1% 0.124 123.3);

Tailwind

colors: {
  custom: {
    50: '#93a260',
    500: '#647d1b',
    950: '#000000',
  },
}

SCSS

$custom: #647d1b;
$custom-light: #93a260;
$custom-dark: #000000;

JSON

{
  "hex": "#647d1b",
  "rgb": {
    "r": 100,
    "g": 125,
    "b": 27
  },
  "hsl": {
    "h": 75.306,
    "s": 64.474,
    "l": 29.804
  },
  "oklch": {
    "l": 0.55097,
    "c": 0.12379,
    "h": 123.3
  },
  "luminance": 0.17456
}

Semantic roles & 50–950 ramp

primary

#647D1B

secondary

#5F43B1

accent

#40E76B

background

#F9FAF5

surface

#F2F3EA

border

#CCCDC6

text

#0D0F05

muted

#7E7F79

Preview Lab

Preview with #647D1B

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

Preview Lab → · Contrast checker → · Palette generator →