#639423#639423

#639423 is a mid, vivid yellow-green. Relative luminance 0.240; OKLCH L 61.0% C 0.149 H 130.6°. Best body text is #000000 at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#639423
RGB	rgb(99, 148, 35)
HSL	hsl(86, 62%, 36%)
HSV	hsv(86, 76%, 58%)
CMYK	cmyk(33.1%, 0%, 76.4%, 42%)
CIE-LAB	lab(56.04, -34.22, 50.87)
CIE-LCH	lch(56.04, 61.31, 123.93°)
OKLab	oklab(60.95% -0.0972 0.1134)
OKLCH	oklch(60.95% 0.149 130.6)
XYZ	xyz(16.0388, 23.9533, 5.3682)
Luminance	0.2395 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#639423 #542394

analogous

#948C23 #639423 #2A9423

triadic

#639423 #236394 #942363

tetradic

#639423 #23948C #542394 #94232A

square

#639423 #23948C #542394 #94232A

split-complementary

#639423 #232A94 #8C2394

monochromatic

#21310C #426317 #639423 #84C52F #A1D85A

Accessibility & contrast

On white

3.63

#639423 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.79

#639423 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #639423

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##639423	#FFFFFF	#000000	##000000
##639423	1.00	3.63	5.79	5.79
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.79	21.00	1.00	1.00
##000000	5.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9B890A

Deuteranopia (green-blind)

#94852E

Tritanopia (blue-blind)

#658D7F

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #639423;
/* rgb */ color: rgb(99, 148, 35);
/* oklch */ color: oklch(61.0% 0.149 130.6);

Tailwind

colors: {
  custom: {
    50: '#94b367',
    500: '#639423',
    950: '#000000',
  },
}

SCSS

$custom: #639423;
$custom-light: #94b367;
$custom-dark: #000000;

JSON

{
  "hex": "#639423",
  "rgb": {
    "r": 99,
    "g": 148,
    "b": 35
  },
  "hsl": {
    "h": 86.018,
    "s": 61.749,
    "l": 35.882
  },
  "oklch": {
    "l": 0.60952,
    "c": 0.14932,
    "h": 130.6
  },
  "luminance": 0.23954
}

Semantic roles & 50–950 ramp

primary

#639423

secondary

#8357BC

accent

#43E589

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0E1106

muted

#7E807A

Preview Lab

Preview with #639423

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

Preview Lab → · Contrast checker → · Palette generator →