#639028#639028

#639028 is a mid, vivid yellow-green. Relative luminance 0.228; OKLCH L 60.0% C 0.141 H 130.2°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#639028
RGB	rgb(99, 144, 40)
HSL	hsl(86, 57%, 36%)
HSV	hsv(86, 72%, 56%)
CMYK	cmyk(31.3%, 0%, 72.2%, 43.5%)
CIE-LAB	lab(54.82, -32.06, 47.80)
CIE-LCH	lch(54.82, 57.55, 123.85°)
OKLab	oklab(59.96% -0.0909 0.1077)
OKLCH	oklch(59.96% 0.141 130.2)
XYZ	xyz(15.5018, 22.7519, 5.5819)
Luminance	0.2275 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#639028 #552890

analogous

#908928 #639028 #2F9028

triadic

#639028 #286390 #902863

tetradic

#639028 #289089 #552890 #90282F

square

#639028 #289089 #552890 #90282F

split-complementary

#639028 #282F90 #892890

monochromatic

#21300D #42601B #639028 #84C035 #A1D360

Accessibility & contrast

On white

3.78

#639028 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.55

#639028 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #639028

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##639028	#FFFFFF	#000000	##000000
##639028	1.00	3.78	5.55	5.55
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.55	21.00	1.00	1.00
##000000	5.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#978517

Deuteranopia (green-blind)

#918231

Tritanopia (blue-blind)

#658A7C

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #639028;
/* rgb */ color: rgb(99, 144, 40);
/* oklch */ color: oklch(60.0% 0.141 130.2);

Tailwind

colors: {
  custom: {
    50: '#93b169',
    500: '#639028',
    950: '#000000',
  },
}

SCSS

$custom: #639028;
$custom-light: #93b169;
$custom-dark: #000000;

JSON

{
  "hex": "#639028",
  "rgb": {
    "r": 99,
    "g": 144,
    "b": 40
  },
  "hsl": {
    "h": 85.962,
    "s": 56.522,
    "l": 36.078
  },
  "oklch": {
    "l": 0.59964,
    "c": 0.14095,
    "h": 130.2
  },
  "luminance": 0.22752
}

Semantic roles & 50–950 ramp

primary

#639028

secondary

#845CB8

accent

#48E08A

background

#F9FAF6

surface

#F2F5EB

border

#CCCFC6

text

#0D1007

muted

#7E7F7A

Preview Lab

Preview with #639028

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

Preview Lab → · Contrast checker → · Palette generator →