#3F740F#3F740F

#3F740F is a mid, vivid yellow-green. Relative luminance 0.136; OKLCH L 50.3% C 0.138 H 134.5°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#3F740F
RGB	rgb(63, 116, 15)
HSL	hsl(91, 77%, 26%)
HSV	hsv(91, 87%, 45%)
CMYK	cmyk(45.7%, 0%, 87.1%, 54.5%)
CIE-LAB	lab(43.63, -34.46, 44.98)
CIE-LCH	lch(43.63, 56.66, 127.46°)
OKLab	oklab(50.26% -0.0968 0.0986)
OKLCH	oklch(50.26% 0.138 134.5)
XYZ	xyz(8.3813, 13.5815, 2.6317)
Luminance	0.1358 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F740F #440F74

analogous

#71740F #3F740F #0F7411

triadic

#3F740F #0F3F74 #740F3F

tetradic

#3F740F #0F7174 #440F74 #74110F

square

#3F740F #0F7174 #440F74 #74110F

split-complementary

#3F740F #110F74 #740F71

monochromatic

#0F1B04 #223E08 #3F740F #5CAA16 #7AE01D

Accessibility & contrast

On white

5.65

#3F740F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#3F740F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F740F

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F740F	#FFFFFF	#000000	##FFFFFF
##3F740F	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#796A00

Deuteranopia (green-blind)

#72661C

Tritanopia (blue-blind)

#3E6F62

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3f740f;
/* rgb */ color: rgb(63, 116, 15);
/* oklch */ color: oklch(50.3% 0.138 134.5);

Tailwind

colors: {
  custom: {
    50: '#7a9c59',
    500: '#3f740f',
    950: '#000000',
  },
}

SCSS

$custom: #3f740f;
$custom-light: #7a9c59;
$custom-dark: #000000;

JSON

{
  "hex": "#3f740f",
  "rgb": {
    "r": 63,
    "g": 116,
    "b": 15
  },
  "hsl": {
    "h": 91.485,
    "s": 77.099,
    "l": 25.686
  },
  "oklch": {
    "l": 0.50256,
    "c": 0.13815,
    "h": 134.5
  },
  "luminance": 0.13582
}

Semantic roles & 50–950 ramp

primary

#3F740F

secondary

#7233AC

accent

#34F499

background

#F7F9F5

surface

#EEF2E9

border

#C9CCC5

text

#0A0E04

muted

#7C7E79

Preview Lab

Preview with #3F740F

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

Preview Lab → · Contrast checker → · Palette generator →