#3F711B#3F711B

#3F711B is a mid, vivid yellow-green. Relative luminance 0.129; OKLCH L 49.5% C 0.128 H 135.1°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#3F711B
RGB	rgb(63, 113, 27)
HSL	hsl(95, 61%, 27%)
HSV	hsv(95, 76%, 44%)
CMYK	cmyk(44.2%, 0%, 76.1%, 55.7%)
CIE-LAB	lab(42.68, -32.43, 40.07)
CIE-LCH	lch(42.68, 51.54, 128.99°)
OKLab	oklab(49.5% -0.0905 0.0902)
OKLCH	oklch(49.5% 0.128 135.1)
XYZ	xyz(8.1527, 12.9457, 3.1059)
Luminance	0.1295 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F711B #4D1B71

analogous

#6A711B #3F711B #1B7122

triadic

#3F711B #1B3F71 #711B3F

tetradic

#3F711B #1B6A71 #4D1B71 #71221B

square

#3F711B #1B6A71 #4D1B71 #71221B

split-complementary

#3F711B #221B71 #711B6A

monochromatic

#0E1906 #23400F #3F711B #5BA227 #77CF37

Accessibility & contrast

On white

5.85

#3F711B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#3F711B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F711B

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F711B	#FFFFFF	#000000	##FFFFFF
##3F711B	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#75670B

Deuteranopia (green-blind)

#6F6323

Tritanopia (blue-blind)

#3E6C60

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3f711b;
/* rgb */ color: rgb(63, 113, 27);
/* oklch */ color: oklch(49.5% 0.128 135.1);

Tailwind

colors: {
  custom: {
    50: '#799a5e',
    500: '#3f711b',
    950: '#000000',
  },
}

SCSS

$custom: #3f711b;
$custom-light: #799a5e;
$custom-dark: #000000;

JSON

{
  "hex": "#3f711b",
  "rgb": {
    "r": 63,
    "g": 113,
    "b": 27
  },
  "hsl": {
    "h": 94.884,
    "s": 61.429,
    "l": 27.451
  },
  "oklch": {
    "l": 0.49502,
    "c": 0.12777,
    "h": 135.1
  },
  "luminance": 0.12946
}

Semantic roles & 50–950 ramp

primary

#3F711B

secondary

#7C42A6

accent

#43E5A1

background

#F7F9F5

surface

#EEF2E9

border

#C9CCC5

text

#090E05

muted

#7B7E79

Preview Lab

Preview with #3F711B

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

Preview Lab → · Contrast checker → · Palette generator →