#3F8519#3F8519

#3F8519 is a mid, vivid yellow-green. Relative luminance 0.179; OKLCH L 55.0% C 0.155 H 137.3°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#3F8519
RGB	rgb(63, 133, 25)
HSL	hsl(99, 68%, 31%)
HSV	hsv(99, 81%, 52%)
CMYK	cmyk(52.6%, 0%, 81.2%, 47.8%)
CIE-LAB	lab(49.38, -41.03, 47.27)
CIE-LCH	lch(49.38, 62.59, 130.96°)
OKLab	oklab(55% -0.1138 0.1049)
OKLCH	oklch(55% 0.155 137.3)
XYZ	xyz(10.6126, 17.9012, 3.8156)
Luminance	0.1790 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8519 #5F1985

analogous

#758519 #3F8519 #198529

triadic

#3F8519 #193F85 #85193F

tetradic

#3F8519 #197585 #5F1985 #852919

square

#3F8519 #197585 #5F1985 #852919

split-complementary

#3F8519 #291985 #851975

monochromatic

#0E1E06 #27510F #3F8519 #57B923 #75DB3E

Accessibility & contrast

On white

4.58

#3F8519 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#3F8519 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8519

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8519	#FFFFFF	#000000	##000000
##3F8519	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A7900

Deuteranopia (green-blind)

#817325

Tritanopia (blue-blind)

#3A8071

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3f8519;
/* rgb */ color: rgb(63, 133, 25);
/* oklch */ color: oklch(55.0% 0.155 137.3);

Tailwind

colors: {
  custom: {
    50: '#7ca960',
    500: '#3f8519',
    950: '#000000',
  },
}

SCSS

$custom: #3f8519;
$custom-light: #7ca960;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8519",
  "rgb": {
    "r": 63,
    "g": 133,
    "b": 25
  },
  "hsl": {
    "h": 98.889,
    "s": 68.354,
    "l": 30.98
  },
  "oklch": {
    "l": 0.54999,
    "c": 0.15482,
    "h": 137.3
  },
  "luminance": 0.17902
}

Semantic roles & 50–950 ramp

primary

#3F8519

secondary

#8F41B9

accent

#3DEBAE

background

#F7FAF5

surface

#EEF4EA

border

#C9CEC6

text

#0A1005

muted

#7C7F79

Preview Lab

Preview with #3F8519

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

Preview Lab → · Contrast checker → · Palette generator →