#638729#638729

#638729 is a mid, vivid yellow-green. Relative luminance 0.201; OKLCH L 57.7% C 0.128 H 128.0°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#638729
RGB	rgb(99, 135, 41)
HSL	hsl(83, 53%, 35%)
HSV	hsv(83, 70%, 53%)
CMYK	cmyk(26.7%, 0%, 69.6%, 47.1%)
CIE-LAB	lab(52.00, -27.71, 44.50)
CIE-LCH	lch(52.00, 52.43, 121.91°)
OKLab	oklab(57.68% -0.079 0.1009)
OKLCH	oklch(57.68% 0.128 128)
XYZ	xyz(14.2098, 20.1404, 5.2362)
Luminance	0.2014 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638729 #4D2987

analogous

#877C29 #638729 #348729

triadic

#638729 #296387 #872963

tetradic

#638729 #29877C #4D2987 #872934

square

#638729 #29877C #4D2987 #872934

split-complementary

#638729 #293487 #7C2987

monochromatic

#1E290C #41581B #638729 #85B637 #A2CE5D

Accessibility & contrast

On white

4.18

#638729 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#638729 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638729

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638729	#FFFFFF	#000000	##000000
##638729	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)

#8E7E1B

Deuteranopia (green-blind)

#897B31

Tritanopia (blue-blind)

#668174

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #638729;
/* rgb */ color: rgb(99, 135, 41);
/* oklch */ color: oklch(57.7% 0.128 128.0);

Tailwind

colors: {
  custom: {
    50: '#92aa68',
    500: '#638729',
    950: '#000000',
  },
}

SCSS

$custom: #638729;
$custom-light: #92aa68;
$custom-dark: #000000;

JSON

{
  "hex": "#638729",
  "rgb": {
    "r": 99,
    "g": 135,
    "b": 41
  },
  "hsl": {
    "h": 82.979,
    "s": 53.409,
    "l": 34.51
  },
  "oklch": {
    "l": 0.57675,
    "c": 0.12815,
    "h": 128
  },
  "luminance": 0.20141
}

Semantic roles & 50–950 ramp

primary

#638729

secondary

#7B59B3

accent

#4BDD83

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0D1006

muted

#7E7F7A

Preview Lab

Preview with #638729

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

Preview Lab → · Contrast checker → · Palette generator →