#637523#637523

#637523 is a mid, moderate yellow-green. Relative luminance 0.155; OKLCH L 53.1% C 0.108 H 120.9°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#637523
RGB	rgb(99, 117, 35)
HSL	hsl(73, 54%, 30%)
HSV	hsv(73, 70%, 46%)
CMYK	cmyk(15.4%, 0%, 70.1%, 54.1%)
CIE-LAB	lab(46.31, -19.06, 41.17)
CIE-LCH	lch(46.31, 45.37, 114.84°)
OKLab	oklab(53.06% -0.0557 0.093)
OKLCH	oklch(53.06% 0.108 120.9)
XYZ	xyz(11.8104, 15.4966, 3.9587)
Luminance	0.1550 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#637523 #352375

analogous

#755E23 #637523 #3A7523

triadic

#637523 #236375 #752363

tetradic

#637523 #23755E #352375 #75233A

square

#637523 #23755E #352375 #75233A

split-complementary

#637523 #233A75 #5E2375

monochromatic

#141807 #3B4615 #637523 #8BA431 #ADC94A

Accessibility & contrast

On white

5.12

#637523 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#637523 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #637523

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##637523	#FFFFFF	#000000	##FFFFFF
##637523	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C6E17

Deuteranopia (green-blind)

#7A6E29

Tritanopia (blue-blind)

#696F64

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #637523;
/* rgb */ color: rgb(99, 117, 35);
/* oklch */ color: oklch(53.1% 0.108 120.9);

Tailwind

colors: {
  custom: {
    50: '#929c63',
    500: '#637523',
    950: '#000000',
  },
}

SCSS

$custom: #637523;
$custom-light: #929c63;
$custom-dark: #000000;

JSON

{
  "hex": "#637523",
  "rgb": {
    "r": 99,
    "g": 117,
    "b": 35
  },
  "hsl": {
    "h": 73.171,
    "s": 53.947,
    "l": 29.804
  },
  "oklch": {
    "l": 0.5306,
    "c": 0.10839,
    "h": 120.9
  },
  "luminance": 0.15497
}

Semantic roles & 50–950 ramp

primary

#637523

secondary

#604CA8

accent

#4ADD6B

background

#F9F9F6

surface

#F1F2EB

border

#CBCCC6

text

#0D0E05

muted

#7E7E7A

Preview Lab

Preview with #637523

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

Preview Lab → · Contrast checker → · Palette generator →