#3F791F#3F791F

#3F791F is a mid, vivid yellow-green. Relative luminance 0.148; OKLCH L 51.7% C 0.136 H 136.7°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#3F791F
RGB	rgb(63, 121, 31)
HSL	hsl(99, 59%, 30%)
HSV	hsv(99, 74%, 47%)
CMYK	cmyk(47.9%, 0%, 74.4%, 52.5%)
CIE-LAB	lab(45.40, -35.63, 41.22)
CIE-LCH	lch(45.40, 54.48, 130.84°)
OKLab	oklab(51.74% -0.0989 0.0932)
OKLCH	oklch(51.74% 0.136 136.7)
XYZ	xyz(9.1343, 14.8298, 3.6772)
Luminance	0.1483 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F791F #591F79

analogous

#6C791F #3F791F #1F792C

triadic

#3F791F #1F3F79 #791F3F

tetradic

#3F791F #1F6C79 #591F79 #792C1F

square

#3F791F #1F6C79 #591F79 #792C1F

split-complementary

#3F791F #2C1F79 #791F6C

monochromatic

#0D1806 #264813 #3F791F #58AA2B #75CF43

Accessibility & contrast

On white

5.30

#3F791F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#3F791F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F791F

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F791F	#FFFFFF	#000000	##FFFFFF
##3F791F	1.00	5.30	3.97	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D6E10

Deuteranopia (green-blind)

#766A28

Tritanopia (blue-blind)

#3C7467

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3f791f;
/* rgb */ color: rgb(63, 121, 31);
/* oklch */ color: oklch(51.7% 0.136 136.7);

Tailwind

colors: {
  custom: {
    50: '#7aa061',
    500: '#3f791f',
    950: '#000000',
  },
}

SCSS

$custom: #3f791f;
$custom-light: #7aa061;
$custom-dark: #000000;

JSON

{
  "hex": "#3f791f",
  "rgb": {
    "r": 63,
    "g": 121,
    "b": 31
  },
  "hsl": {
    "h": 98.667,
    "s": 59.211,
    "l": 29.804
  },
  "oklch": {
    "l": 0.51741,
    "c": 0.13588,
    "h": 136.7
  },
  "luminance": 0.1483
}

Semantic roles & 50–950 ramp

primary

#3F791F

secondary

#8847AC

accent

#45E2AB

background

#F7F9F5

surface

#EEF2EA

border

#C9CCC6

text

#0A0F05

muted

#7C7E79

Preview Lab

Preview with #3F791F

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

Preview Lab → · Contrast checker → · Palette generator →