#647B10#647B10

#647B10 is a mid, vivid yellow-green. Relative luminance 0.169; OKLCH L 54.5% C 0.127 H 122.1°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#647B10
RGB	rgb(100, 123, 16)
HSL	hsl(73, 77%, 27%)
HSV	hsv(73, 87%, 48%)
CMYK	cmyk(18.7%, 0%, 87%, 51.8%)
CIE-LAB	lab(48.15, -22.70, 49.54)
CIE-LCH	lch(48.15, 54.49, 114.62°)
OKLab	oklab(54.53% -0.0673 0.1073)
OKLCH	oklch(54.53% 0.127 122.1)
XYZ	xyz(12.4322, 16.9126, 3.0996)
Luminance	0.1691 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647B10 #27107B

analogous

#7B5C10 #647B10 #2F7B10

triadic

#647B10 #10647B #7B1064

tetradic

#647B10 #107B5C #27107B #7B102F

square

#647B10 #107B5C #27107B #7B102F

split-complementary

#647B10 #102F7B #5C107B

monochromatic

#161B04 #384509 #647B10 #90B117 #B9E223

Accessibility & contrast

On white

4.79

#647B10 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#647B10 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647B10

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647B10	#FFFFFF	#000000	##FFFFFF
##647B10	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#837300

Deuteranopia (green-blind)

#80721D

Tritanopia (blue-blind)

#6A7468

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #647b10;
/* rgb */ color: rgb(100, 123, 16);
/* oklch */ color: oklch(54.5% 0.127 122.1);

Tailwind

colors: {
  custom: {
    50: '#94a15b',
    500: '#647b10',
    950: '#000000',
  },
}

SCSS

$custom: #647b10;
$custom-light: #94a15b;
$custom-dark: #000000;

JSON

{
  "hex": "#647b10",
  "rgb": {
    "r": 100,
    "g": 123,
    "b": 16
  },
  "hsl": {
    "h": 72.897,
    "s": 76.978,
    "l": 27.255
  },
  "oklch": {
    "l": 0.54531,
    "c": 0.12668,
    "h": 122.1
  },
  "luminance": 0.16913
}

Semantic roles & 50–950 ramp

primary

#647B10

secondary

#5035B2

accent

#34F45D

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0E0E04

muted

#7E7E79

Preview Lab

Preview with #647B10

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

Preview Lab → · Contrast checker → · Palette generator →