#639428#639428

#639428 is a mid, vivid yellow-green. Relative luminance 0.240; OKLCH L 61.0% C 0.146 H 131.0°. Best body text is #000000 at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#639428
RGB	rgb(99, 148, 40)
HSL	hsl(87, 57%, 37%)
HSV	hsv(87, 73%, 58%)
CMYK	cmyk(33.1%, 0%, 73%, 42%)
CIE-LAB	lab(56.07, -33.90, 49.07)
CIE-LCH	lch(56.07, 59.64, 124.64°)
OKLab	oklab(60.99% -0.0959 0.1104)
OKLCH	oklch(60.99% 0.146 131)
XYZ	xyz(16.1184, 23.9851, 5.7874)
Luminance	0.2399 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#639428 #592894

analogous

#948F28 #639428 #2D9428

triadic

#639428 #286394 #942863

tetradic

#639428 #28948F #592894 #94282D

square

#639428 #28948F #592894 #94282D

split-complementary

#639428 #282D94 #8F2894

monochromatic

#23340E #43641B #639428 #83C435 #A1D562

Accessibility & contrast

On white

3.62

#639428 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.80

#639428 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #639428

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##639428	#FFFFFF	#000000	##000000
##639428	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)

#9B8915

Deuteranopia (green-blind)

#948532

Tritanopia (blue-blind)

#658E7F

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #639428;
/* rgb */ color: rgb(99, 148, 40);
/* oklch */ color: oklch(61.0% 0.146 131.0);

Tailwind

colors: {
  custom: {
    50: '#93b369',
    500: '#639428',
    950: '#000000',
  },
}

SCSS

$custom: #639428;
$custom-light: #93b369;
$custom-dark: #000000;

JSON

{
  "hex": "#639428",
  "rgb": {
    "r": 99,
    "g": 148,
    "b": 40
  },
  "hsl": {
    "h": 87.222,
    "s": 57.447,
    "l": 36.863
  },
  "oklch": {
    "l": 0.60988,
    "c": 0.14622,
    "h": 131
  },
  "luminance": 0.23986
}

Semantic roles & 50–950 ramp

primary

#639428

secondary

#885EBA

accent

#47E18D

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0D1107

muted

#7E807A

Preview Lab

Preview with #639428

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

Preview Lab → · Contrast checker → · Palette generator →