#647F13#647F13

#647F13 is a mid, vivid yellow-green. Relative luminance 0.179; OKLCH L 55.6% C 0.130 H 123.7°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#647F13
RGB	rgb(100, 127, 19)
HSL	hsl(75, 74%, 29%)
HSV	hsv(75, 85%, 50%)
CMYK	cmyk(21.3%, 0%, 85%, 50.2%)
CIE-LAB	lab(49.42, -24.60, 49.84)
CIE-LCH	lch(49.42, 55.58, 116.27°)
OKLab	oklab(55.56% -0.0723 0.1085)
OKLCH	oklch(55.56% 0.13 123.7)
XYZ	xyz(12.9626, 17.9350, 3.3949)
Luminance	0.1794 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647F13 #2E137F

analogous

#7F6413 #647F13 #2E7F13

triadic

#647F13 #13647F #7F1364

tetradic

#647F13 #137F64 #2E137F #7F132E

square

#647F13 #137F64 #2E137F #7F132E

split-complementary

#647F13 #132E7F #64137F

monochromatic

#151B04 #3A4A0B #647F13 #8EB41B #B3E02D

Accessibility & contrast

On white

4.58

#647F13 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#647F13 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647F13

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647F13	#FFFFFF	#000000	##000000
##647F13	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#877600

Deuteranopia (green-blind)

#83751F

Tritanopia (blue-blind)

#69786C

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #647f13;
/* rgb */ color: rgb(100, 127, 19);
/* oklch */ color: oklch(55.6% 0.130 123.7);

Tailwind

colors: {
  custom: {
    50: '#94a45d',
    500: '#647f13',
    950: '#000000',
  },
}

SCSS

$custom: #647f13;
$custom-light: #94a45d;
$custom-dark: #000000;

JSON

{
  "hex": "#647f13",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 19
  },
  "hsl": {
    "h": 75,
    "s": 73.973,
    "l": 28.627
  },
  "oklch": {
    "l": 0.5556,
    "c": 0.13037,
    "h": 123.7
  },
  "luminance": 0.17935
}

Semantic roles & 50–950 ramp

primary

#647F13

secondary

#5839B4

accent

#37F166

background

#F9FAF5

surface

#F2F4E9

border

#CCCEC5

text

#0E0F05

muted

#7E7F79

Preview Lab

Preview with #647F13

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

Preview Lab → · Contrast checker → · Palette generator →