#638727#638727

#638727 is a mid, vivid yellow-green. Relative luminance 0.201; OKLCH L 57.7% C 0.130 H 127.9°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#638727
RGB	rgb(99, 135, 39)
HSL	hsl(83, 55%, 34%)
HSV	hsv(83, 71%, 53%)
CMYK	cmyk(26.7%, 0%, 71.1%, 47.1%)
CIE-LAB	lab(51.98, -27.86, 45.32)
CIE-LCH	lch(51.98, 53.19, 121.58°)
OKLab	oklab(57.66% -0.0795 0.1023)
OKLCH	oklch(57.66% 0.13 127.9)
XYZ	xyz(14.1758, 20.1268, 5.0571)
Luminance	0.2013 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638727 #4B2787

analogous

#877B27 #638727 #338727

triadic

#638727 #276387 #872763

tetradic

#638727 #27877B #4B2787 #872733

square

#638727 #27877B #4B2787 #872733

split-complementary

#638727 #273387 #7B2787

monochromatic

#1D280C #405819 #638727 #86B635 #A3CF59

Accessibility & contrast

On white

4.18

#638727 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#638727 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638727

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638727	#FFFFFF	#000000	##000000
##638727	1.00	4.18	5.03	5.03
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7D18

Deuteranopia (green-blind)

#897B2F

Tritanopia (blue-blind)

#678174

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #638727;
/* rgb */ color: rgb(99, 135, 39);
/* oklch */ color: oklch(57.7% 0.130 127.9);

Tailwind

colors: {
  custom: {
    50: '#93aa67',
    500: '#638727',
    950: '#000000',
  },
}

SCSS

$custom: #638727;
$custom-light: #93aa67;
$custom-dark: #000000;

JSON

{
  "hex": "#638727",
  "rgb": {
    "r": 99,
    "g": 135,
    "b": 39
  },
  "hsl": {
    "h": 82.5,
    "s": 55.172,
    "l": 34.118
  },
  "oklch": {
    "l": 0.57658,
    "c": 0.12961,
    "h": 127.9
  },
  "luminance": 0.20127
}

Semantic roles & 50–950 ramp

primary

#638727

secondary

#7956B4

accent

#49DF81

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0D1006

muted

#7E7F7A

Preview Lab

Preview with #638727

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

Preview Lab → · Contrast checker → · Palette generator →