#647D11#647D11

#647D11 is a mid, vivid yellow-green. Relative luminance 0.174; OKLCH L 55.0% C 0.129 H 122.9°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#647D11
RGB	rgb(100, 125, 17)
HSL	hsl(74, 76%, 28%)
HSV	hsv(74, 86%, 49%)
CMYK	cmyk(20%, 0%, 86.4%, 51%)
CIE-LAB	lab(48.78, -23.67, 49.82)
CIE-LCH	lch(48.78, 55.16, 115.42°)
OKLab	oklab(55.04% -0.0699 0.1081)
OKLCH	oklch(55.04% 0.129 122.9)
XYZ	xyz(12.6905, 17.4170, 3.2234)
Luminance	0.1742 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647D11 #2A117D

analogous

#7D6011 #647D11 #2E7D11

triadic

#647D11 #11647D #7D1164

tetradic

#647D11 #117D60 #2A117D #7D112E

square

#647D11 #117D60 #2A117D #7D112E

split-complementary

#647D11 #112E7D #60117D

monochromatic

#161B04 #39470A #647D11 #8FB318 #B6E227

Accessibility & contrast

On white

4.68

#647D11 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#647D11 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647D11

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647D11	#FFFFFF	#000000	##FFFFFF
##647D11	1.00	4.68	4.48	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#857500

Deuteranopia (green-blind)

#82741E

Tritanopia (blue-blind)

#6A766A

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #647d11;
/* rgb */ color: rgb(100, 125, 17);
/* oklch */ color: oklch(55.0% 0.129 122.9);

Tailwind

colors: {
  custom: {
    50: '#94a25c',
    500: '#647d11',
    950: '#000000',
  },
}

SCSS

$custom: #647d11;
$custom-light: #94a25c;
$custom-dark: #000000;

JSON

{
  "hex": "#647d11",
  "rgb": {
    "r": 100,
    "g": 125,
    "b": 17
  },
  "hsl": {
    "h": 73.889,
    "s": 76.056,
    "l": 27.843
  },
  "oklch": {
    "l": 0.55043,
    "c": 0.12874,
    "h": 122.9
  },
  "luminance": 0.17417
}

Semantic roles & 50–950 ramp

primary

#647D11

secondary

#5337B3

accent

#35F361

background

#F9FAF5

surface

#F2F3E9

border

#CCCDC5

text

#0E0F04

muted

#7E7F79

Preview Lab

Preview with #647D11

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

Preview Lab → · Contrast checker → · Palette generator →