#3F7B18#3F7B18

#3F7B18 is a mid, vivid yellow-green. Relative luminance 0.153; OKLCH L 52.2% C 0.143 H 136.2°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#3F7B18
RGB	rgb(63, 123, 24)
HSL	hsl(96, 67%, 29%)
HSV	hsv(96, 80%, 48%)
CMYK	cmyk(48.8%, 0%, 80.5%, 51.8%)
CIE-LAB	lab(46.03, -36.97, 44.43)
CIE-LCH	lch(46.03, 57.80, 129.77°)
OKLab	oklab(52.24% -0.103 0.0988)
OKLCH	oklch(52.24% 0.143 136.2)
XYZ	xyz(9.2975, 15.2880, 3.3249)
Luminance	0.1529 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7B18 #54187B

analogous

#717B18 #3F7B18 #187B23

triadic

#3F7B18 #183F7B #7B183F

tetradic

#3F7B18 #18717B #54187B #7B2318

square

#3F7B18 #18717B #54187B #7B2318

split-complementary

#3F7B18 #23187B #7B1871

monochromatic

#0D1A05 #25480E #3F7B18 #59AE22 #76D836

Accessibility & contrast

On white

5.18

#3F7B18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#3F7B18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F7B18

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7B18	#FFFFFF	#000000	##FFFFFF
##3F7B18	1.00	5.18	4.06	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#807000

Deuteranopia (green-blind)

#786B23

Tritanopia (blue-blind)

#3C7669

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3f7b18;
/* rgb */ color: rgb(63, 123, 24);
/* oklch */ color: oklch(52.2% 0.143 136.2);

Tailwind

colors: {
  custom: {
    50: '#7aa25e',
    500: '#3f7b18',
    950: '#000000',
  },
}

SCSS

$custom: #3f7b18;
$custom-light: #7aa25e;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7b18",
  "rgb": {
    "r": 63,
    "g": 123,
    "b": 24
  },
  "hsl": {
    "h": 96.364,
    "s": 67.347,
    "l": 28.824
  },
  "oklch": {
    "l": 0.52241,
    "c": 0.14274,
    "h": 136.2
  },
  "luminance": 0.15289
}

Semantic roles & 50–950 ramp

primary

#3F7B18

secondary

#833FB0

accent

#3EEAA6

background

#F7FAF5

surface

#EEF3E9

border

#C9CDC5

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #3F7B18

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

Preview Lab → · Contrast checker → · Palette generator →