#638723#638723

#638723 is a mid, vivid yellow-green. Relative luminance 0.201; OKLCH L 57.6% C 0.132 H 127.5°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#638723
RGB	rgb(99, 135, 35)
HSL	hsl(82, 59%, 33%)
HSV	hsv(82, 74%, 53%)
CMYK	cmyk(26.7%, 0%, 74.1%, 47.1%)
CIE-LAB	lab(51.95, -28.13, 46.87)
CIE-LCH	lch(51.95, 54.66, 120.97°)
OKLab	oklab(57.63% -0.0806 0.105)
OKLCH	oklch(57.63% 0.132 127.5)
XYZ	xyz(14.1130, 20.1017, 4.7262)
Luminance	0.2010 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638723 #472387

analogous

#877923 #638723 #318723

triadic

#638723 #236387 #872363

tetradic

#638723 #238779 #472387 #872331

square

#638723 #238779 #472387 #872331

split-complementary

#638723 #233187 #792387

monochromatic

#1C260A #3F5616 #638723 #87B830 #A4D252

Accessibility & contrast

On white

4.18

#638723 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#638723 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638723

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638723	#FFFFFF	#000000	##000000
##638723	1.00	4.18	5.02	5.02
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7D11

Deuteranopia (green-blind)

#897B2C

Tritanopia (blue-blind)

#678174

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #638723;
/* rgb */ color: rgb(99, 135, 35);
/* oklch */ color: oklch(57.6% 0.132 127.5);

Tailwind

colors: {
  custom: {
    50: '#93aa65',
    500: '#638723',
    950: '#000000',
  },
}

SCSS

$custom: #638723;
$custom-light: #93aa65;
$custom-dark: #000000;

JSON

{
  "hex": "#638723",
  "rgb": {
    "r": 99,
    "g": 135,
    "b": 35
  },
  "hsl": {
    "h": 81.6,
    "s": 58.824,
    "l": 33.333
  },
  "oklch": {
    "l": 0.57626,
    "c": 0.13236,
    "h": 127.5
  },
  "luminance": 0.20102
}

Semantic roles & 50–950 ramp

primary

#638723

secondary

#7550B6

accent

#46E27E

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0D1006

muted

#7E7F7A

Preview Lab

Preview with #638723

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

Preview Lab → · Contrast checker → · Palette generator →