#647D23#647D23

#647D23 is a mid, moderate yellow-green. Relative luminance 0.175; OKLCH L 55.2% C 0.119 H 123.8°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#647D23
RGB	rgb(100, 125, 35)
HSL	hsl(77, 56%, 31%)
HSV	hsv(77, 72%, 49%)
CMYK	cmyk(20%, 0%, 72%, 51%)
CIE-LAB	lab(48.88, -22.76, 43.82)
CIE-LCH	lch(48.88, 49.38, 117.44°)
OKLab	oklab(55.16% -0.0659 0.0985)
OKLCH	oklch(55.16% 0.119 123.8)
XYZ	xyz(12.8926, 17.4978, 4.2880)
Luminance	0.1750 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647D23 #3C237D

analogous

#7D6923 #647D23 #377D23

triadic

#647D23 #23647D #7D2364

tetradic

#647D23 #237D69 #3C237D #7D2337

square

#647D23 #237D69 #3C237D #7D2337

split-complementary

#647D23 #23377D #69237D

monochromatic

#181D08 #3E4D16 #647D23 #8AAD30 #AACD4D

Accessibility & contrast

On white

4.67

#647D23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#647D23 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #647D23

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647D23	#FFFFFF	#000000	##FFFFFF
##647D23	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#847515

Deuteranopia (green-blind)

#81742A

Tritanopia (blue-blind)

#69776B

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #647d23;
/* rgb */ color: rgb(100, 125, 35);
/* oklch */ color: oklch(55.2% 0.119 123.8);

Tailwind

colors: {
  custom: {
    50: '#93a264',
    500: '#647d23',
    950: '#000000',
  },
}

SCSS

$custom: #647d23;
$custom-light: #93a264;
$custom-dark: #000000;

JSON

{
  "hex": "#647d23",
  "rgb": {
    "r": 100,
    "g": 125,
    "b": 35
  },
  "hsl": {
    "h": 76.667,
    "s": 56.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.55156,
    "c": 0.11857,
    "h": 123.8
  },
  "luminance": 0.17498
}

Semantic roles & 50–950 ramp

primary

#647D23

secondary

#684CAF

accent

#48E072

background

#F9FAF6

surface

#F2F3EB

border

#CCCDC6

text

#0D0F06

muted

#7E7F7A

Preview Lab

Preview with #647D23

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

Preview Lab → · Contrast checker → · Palette generator →