#3F701B#3F701B

#3F701B is a mid, vivid yellow-green. Relative luminance 0.127; OKLCH L 49.2% C 0.126 H 135.0°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#3F701B
RGB	rgb(63, 112, 27)
HSL	hsl(95, 61%, 27%)
HSV	hsv(95, 76%, 44%)
CMYK	cmyk(43.7%, 0%, 75.9%, 56.1%)
CIE-LAB	lab(42.34, -31.98, 39.73)
CIE-LCH	lch(42.34, 51.00, 128.83°)
OKLab	oklab(49.23% -0.0893 0.0895)
OKLCH	oklch(49.23% 0.126 135)
XYZ	xyz(8.0417, 12.7238, 3.0689)
Luminance	0.1272 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F701B #4C1B70

analogous

#6A701B #3F701B #1B7021

triadic

#3F701B #1B3F70 #701B3F

tetradic

#3F701B #1B6A70 #4C1B70 #70211B

square

#3F701B #1B6A70 #4C1B70 #70211B

split-complementary

#3F701B #211B70 #701B6A

monochromatic

#0E1906 #233F0F #3F701B #5BA127 #77CF37

Accessibility & contrast

On white

5.92

#3F701B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#3F701B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F701B

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F701B	#FFFFFF	#000000	##FFFFFF
##3F701B	1.00	5.92	3.54	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#74660C

Deuteranopia (green-blind)

#6E6223

Tritanopia (blue-blind)

#3E6C5F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3f701b;
/* rgb */ color: rgb(63, 112, 27);
/* oklch */ color: oklch(49.2% 0.126 135.0);

Tailwind

colors: {
  custom: {
    50: '#79995e',
    500: '#3f701b',
    950: '#000000',
  },
}

SCSS

$custom: #3f701b;
$custom-light: #79995e;
$custom-dark: #000000;

JSON

{
  "hex": "#3f701b",
  "rgb": {
    "r": 63,
    "g": 112,
    "b": 27
  },
  "hsl": {
    "h": 94.588,
    "s": 61.151,
    "l": 27.255
  },
  "oklch": {
    "l": 0.49225,
    "c": 0.12642,
    "h": 135
  },
  "luminance": 0.12724
}

Semantic roles & 50–950 ramp

primary

#3F701B

secondary

#7B42A5

accent

#44E4A0

background

#F7F9F5

surface

#EEF2E9

border

#C9CCC5

text

#090E05

muted

#7B7E79

Preview Lab

Preview with #3F701B

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

Preview Lab → · Contrast checker → · Palette generator →