#639427#639427

#639427 is a mid, vivid yellow-green. Relative luminance 0.240; OKLCH L 61.0% C 0.147 H 130.9°. Best body text is #000000 at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#639427
RGB	rgb(99, 148, 39)
HSL	hsl(87, 58%, 37%)
HSV	hsv(87, 74%, 58%)
CMYK	cmyk(33.1%, 0%, 73.6%, 42%)
CIE-LAB	lab(56.07, -33.97, 49.44)
CIE-LCH	lch(56.07, 59.98, 124.49°)
OKLab	oklab(60.98% -0.0962 0.111)
OKLCH	oklch(60.98% 0.147 130.9)
XYZ	xyz(16.1016, 23.9784, 5.6990)
Luminance	0.2398 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#639427 #582794

analogous

#948F27 #639427 #2D9427

triadic

#639427 #276394 #942763

tetradic

#639427 #27948F #582794 #94272D

square

#639427 #27948F #582794 #94272D

split-complementary

#639427 #272D94 #8F2794

monochromatic

#22330D #43641A #639427 #83C434 #A1D560

Accessibility & contrast

On white

3.62

#639427 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.80

#639427 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #639427

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##639427	#FFFFFF	#000000	##000000
##639427	1.00	3.62	5.80	5.80
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.80	21.00	1.00	1.00
##000000	5.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9B8913

Deuteranopia (green-blind)

#948531

Tritanopia (blue-blind)

#658E7F

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #639427;
/* rgb */ color: rgb(99, 148, 39);
/* oklch */ color: oklch(61.0% 0.147 130.9);

Tailwind

colors: {
  custom: {
    50: '#93b369',
    500: '#639427',
    950: '#000000',
  },
}

SCSS

$custom: #639427;
$custom-light: #93b369;
$custom-dark: #000000;

JSON

{
  "hex": "#639427",
  "rgb": {
    "r": 99,
    "g": 148,
    "b": 39
  },
  "hsl": {
    "h": 86.972,
    "s": 58.289,
    "l": 36.667
  },
  "oklch": {
    "l": 0.6098,
    "c": 0.14687,
    "h": 130.9
  },
  "luminance": 0.23979
}

Semantic roles & 50–950 ramp

primary

#639427

secondary

#875CBB

accent

#46E28C

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0D1107

muted

#7E807A

Preview Lab

Preview with #639427

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

Preview Lab → · Contrast checker → · Palette generator →