#3F7A18#3F7A18

#3F7A18 is a mid, vivid yellow-green. Relative luminance 0.150; OKLCH L 52.0% C 0.141 H 136.1°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#3F7A18
RGB	rgb(63, 122, 24)
HSL	hsl(96, 67%, 29%)
HSV	hsv(96, 80%, 48%)
CMYK	cmyk(48.4%, 0%, 80.3%, 52.2%)
CIE-LAB	lab(45.69, -36.55, 44.11)
CIE-LCH	lch(45.69, 57.28, 129.65°)
OKLab	oklab(51.97% -0.1019 0.0981)
OKLCH	oklch(51.97% 0.141 136.1)
XYZ	xyz(9.1741, 15.0412, 3.2838)
Luminance	0.1504 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7A18 #53187A

analogous

#707A18 #3F7A18 #187A22

triadic

#3F7A18 #183F7A #7A183F

tetradic

#3F7A18 #18707A #53187A #7A2218

square

#3F7A18 #18707A #53187A #7A2218

split-complementary

#3F7A18 #22187A #7A1870

monochromatic

#0D1A05 #25470E #3F7A18 #59AD22 #76D735

Accessibility & contrast

On white

5.24

#3F7A18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#3F7A18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F7A18

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7A18	#FFFFFF	#000000	##FFFFFF
##3F7A18	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F6F00

Deuteranopia (green-blind)

#776A23

Tritanopia (blue-blind)

#3C7568

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3f7a18;
/* rgb */ color: rgb(63, 122, 24);
/* oklch */ color: oklch(52.0% 0.141 136.1);

Tailwind

colors: {
  custom: {
    50: '#7aa15d',
    500: '#3f7a18',
    950: '#000000',
  },
}

SCSS

$custom: #3f7a18;
$custom-light: #7aa15d;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7a18",
  "rgb": {
    "r": 63,
    "g": 122,
    "b": 24
  },
  "hsl": {
    "h": 96.122,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.51965,
    "c": 0.14145,
    "h": 136.1
  },
  "luminance": 0.15042
}

Semantic roles & 50–950 ramp

primary

#3F7A18

secondary

#823FAF

accent

#3EEAA5

background

#F7F9F5

surface

#EEF2E9

border

#C9CCC5

text

#0A0F05

muted

#7C7E79

Preview Lab

Preview with #3F7A18

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

Preview Lab → · Contrast checker → · Palette generator →