#3F7C18#3F7C18

#3F7C18 is a mid, vivid yellow-green. Relative luminance 0.155; OKLCH L 52.5% C 0.144 H 136.3°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#3F7C18
RGB	rgb(63, 124, 24)
HSL	hsl(97, 68%, 29%)
HSV	hsv(97, 81%, 49%)
CMYK	cmyk(49.2%, 0%, 80.6%, 51.4%)
CIE-LAB	lab(46.36, -37.39, 44.75)
CIE-LCH	lch(46.36, 58.32, 129.88°)
OKLab	oklab(52.52% -0.1041 0.0995)
OKLCH	oklch(52.52% 0.144 136.3)
XYZ	xyz(9.4222, 15.5374, 3.3665)
Luminance	0.1554 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7C18 #55187C

analogous

#717C18 #3F7C18 #187C23

triadic

#3F7C18 #183F7C #7C183F

tetradic

#3F7C18 #18717C #55187C #7C2318

square

#3F7C18 #18717C #55187C #7C2318

split-complementary

#3F7C18 #23187C #7C1871

monochromatic

#0D1A05 #25490E #3F7C18 #59AF22 #75D836

Accessibility & contrast

On white

5.11

#3F7C18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#3F7C18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F7C18

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7C18	#FFFFFF	#000000	##FFFFFF
##3F7C18	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#817100

Deuteranopia (green-blind)

#796C23

Tritanopia (blue-blind)

#3C7769

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3f7c18;
/* rgb */ color: rgb(63, 124, 24);
/* oklch */ color: oklch(52.5% 0.144 136.3);

Tailwind

colors: {
  custom: {
    50: '#7ba25e',
    500: '#3f7c18',
    950: '#000000',
  },
}

SCSS

$custom: #3f7c18;
$custom-light: #7ba25e;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7c18",
  "rgb": {
    "r": 63,
    "g": 124,
    "b": 24
  },
  "hsl": {
    "h": 96.6,
    "s": 67.568,
    "l": 29.02
  },
  "oklch": {
    "l": 0.52516,
    "c": 0.14402,
    "h": 136.3
  },
  "luminance": 0.15538
}

Semantic roles & 50–950 ramp

primary

#3F7C18

secondary

#843FB1

accent

#3DEAA7

background

#F7FAF5

surface

#EEF3E9

border

#C9CDC5

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #3F7C18

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

Preview Lab → · Contrast checker → · Palette generator →