#637518#637518

#637518 is a mid, moderate yellow-green. Relative luminance 0.154; OKLCH L 53.0% C 0.116 H 120.4°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#637518
RGB	rgb(99, 117, 24)
HSL	hsl(72, 66%, 28%)
HSV	hsv(72, 79%, 46%)
CMYK	cmyk(15.4%, 0%, 79.5%, 54.1%)
CIE-LAB	lab(46.23, -19.72, 45.39)
CIE-LCH	lch(46.23, 49.49, 113.48°)
OKLab	oklab(52.98% -0.0585 0.1)
OKLCH	oklch(52.98% 0.116 120.4)
XYZ	xyz(11.6720, 15.4412, 3.2295)
Luminance	0.1544 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#637518 #2A1875

analogous

#755818 #637518 #347518

triadic

#637518 #186375 #751863

tetradic

#637518 #187558 #2A1875 #751834

square

#637518 #187558 #2A1875 #751834

split-complementary

#637518 #183475 #581875

monochromatic

#151905 #38420E #637518 #8EA822 #B6D532

Accessibility & contrast

On white

5.14

#637518 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#637518 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #637518

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##637518	#FFFFFF	#000000	##FFFFFF
##637518	1.00	5.14	4.09	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D6E02

Deuteranopia (green-blind)

#7B6E21

Tritanopia (blue-blind)

#696E64

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #637518;
/* rgb */ color: rgb(99, 117, 24);
/* oklch */ color: oklch(53.0% 0.116 120.4);

Tailwind

colors: {
  custom: {
    50: '#929c5d',
    500: '#637518',
    950: '#000000',
  },
}

SCSS

$custom: #637518;
$custom-light: #929c5d;
$custom-dark: #000000;

JSON

{
  "hex": "#637518",
  "rgb": {
    "r": 99,
    "g": 117,
    "b": 24
  },
  "hsl": {
    "h": 71.613,
    "s": 65.957,
    "l": 27.647
  },
  "oklch": {
    "l": 0.52977,
    "c": 0.11583,
    "h": 120.4
  },
  "luminance": 0.15441
}

Semantic roles & 50–950 ramp

primary

#637518

secondary

#533FAA

accent

#3FE960

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0E05

muted

#7E7E79

Preview Lab

Preview with #637518

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

Preview Lab → · Contrast checker → · Palette generator →