#638F24#638F24

#638F24 is a mid, vivid yellow-green. Relative luminance 0.224; OKLCH L 59.7% C 0.142 H 129.6°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#638F24
RGB	rgb(99, 143, 36)
HSL	hsl(85, 60%, 35%)
HSV	hsv(85, 75%, 56%)
CMYK	cmyk(30.8%, 0%, 74.8%, 43.9%)
CIE-LAB	lab(54.47, -31.86, 48.98)
CIE-LCH	lch(54.47, 58.43, 123.04°)
OKLab	oklab(59.68% -0.0907 0.1096)
OKLCH	oklch(59.68% 0.142 129.6)
XYZ	xyz(15.2864, 22.4245, 5.1917)
Luminance	0.2243 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638F24 #50248F

analogous

#8F8624 #638F24 #2D8F24

triadic

#638F24 #24638F #8F2463

tetradic

#638F24 #248F86 #50248F #8F242D

square

#638F24 #248F86 #50248F #8F242D

split-complementary

#638F24 #242D8F #86248F

monochromatic

#1F2D0B #415E18 #638F24 #85C030 #A2D558

Accessibility & contrast

On white

3.83

#638F24 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#638F24 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638F24

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638F24	#FFFFFF	#000000	##000000
##638F24	1.00	3.83	5.49	5.49
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96840F

Deuteranopia (green-blind)

#90812E

Tritanopia (blue-blind)

#66897A

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #638f24;
/* rgb */ color: rgb(99, 143, 36);
/* oklch */ color: oklch(59.7% 0.142 129.6);

Tailwind

colors: {
  custom: {
    50: '#93b067',
    500: '#638f24',
    950: '#000000',
  },
}

SCSS

$custom: #638f24;
$custom-light: #93b067;
$custom-dark: #000000;

JSON

{
  "hex": "#638f24",
  "rgb": {
    "r": 99,
    "g": 143,
    "b": 36
  },
  "hsl": {
    "h": 84.673,
    "s": 59.777,
    "l": 35.098
  },
  "oklch": {
    "l": 0.59678,
    "c": 0.14223,
    "h": 129.6
  },
  "luminance": 0.22425
}

Semantic roles & 50–950 ramp

primary

#638F24

secondary

#7F55B9

accent

#45E386

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0D1006

muted

#7E7F7A

Preview Lab

Preview with #638F24

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

Preview Lab → · Contrast checker → · Palette generator →