#647F1C#647F1C

#647F1C is a mid, vivid yellow-green. Relative luminance 0.180; OKLCH L 55.6% C 0.126 H 124.1°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#647F1C
RGB	rgb(100, 127, 28)
HSL	hsl(76, 64%, 30%)
HSV	hsv(76, 78%, 50%)
CMYK	cmyk(21.3%, 0%, 78%, 50.2%)
CIE-LAB	lab(49.46, -24.19, 47.05)
CIE-LCH	lch(49.46, 52.91, 117.21°)
OKLab	oklab(55.61% -0.0705 0.1041)
OKLCH	oklch(55.61% 0.126 124.1)
XYZ	xyz(13.0546, 17.9718, 3.8795)
Luminance	0.1797 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647F1C #371C7F

analogous

#7F691C #647F1C #327F1C

triadic

#647F1C #1C647F #7F1C64

tetradic

#647F1C #1C7F69 #371C7F #7F1C32

square

#647F1C #1C7F69 #371C7F #7F1C32

split-complementary

#647F1C #1C327F #691C7F

monochromatic

#151B06 #3D4D11 #647F1C #8BB127 #ACD540

Accessibility & contrast

On white

4.57

#647F1C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#647F1C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647F1C

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647F1C	#FFFFFF	#000000	##000000
##647F1C	1.00	4.57	4.59	4.59
#FFFFFF	4.57	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)

#877605

Deuteranopia (green-blind)

#837525

Tritanopia (blue-blind)

#69786C

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #647f1c;
/* rgb */ color: rgb(100, 127, 28);
/* oklch */ color: oklch(55.6% 0.126 124.1);

Tailwind

colors: {
  custom: {
    50: '#93a461',
    500: '#647f1c',
    950: '#000000',
  },
}

SCSS

$custom: #647f1c;
$custom-light: #93a461;
$custom-dark: #000000;

JSON

{
  "hex": "#647f1c",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 28
  },
  "hsl": {
    "h": 76.364,
    "s": 63.871,
    "l": 30.392
  },
  "oklch": {
    "l": 0.55611,
    "c": 0.12576,
    "h": 124.1
  },
  "luminance": 0.17972
}

Semantic roles & 50–950 ramp

primary

#647F1C

secondary

#6244B3

accent

#41E76E

background

#F9FAF5

surface

#F2F4EA

border

#CCCEC6

text

#0D0F05

muted

#7E7F79

Preview Lab

Preview with #647F1C

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

Preview Lab → · Contrast checker → · Palette generator →