#3F7F1D#3F7F1D

#3F7F1D is a mid, vivid yellow-green. Relative luminance 0.163; OKLCH L 53.4% C 0.145 H 137.1°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#3F7F1D
RGB	rgb(63, 127, 29)
HSL	hsl(99, 63%, 31%)
HSV	hsv(99, 77%, 50%)
CMYK	cmyk(50.4%, 0%, 77.2%, 50.2%)
CIE-LAB	lab(47.40, -38.32, 43.98)
CIE-LCH	lch(47.40, 58.33, 131.06°)
OKLab	oklab(53.38% -0.1063 0.0987)
OKLCH	oklch(53.38% 0.145 137.1)
XYZ	xyz(9.8607, 16.3235, 3.7933)
Luminance	0.1632 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7F1D #5D1D7F

analogous

#707F1D #3F7F1D #1D7F2C

triadic

#3F7F1D #1D3F7F #7F1D3F

tetradic

#3F7F1D #1D707F #5D1D7F #7F2C1D

square

#3F7F1D #1D707F #5D1D7F #7F2C1D

split-complementary

#3F7F1D #2C1D7F #7F1D70

monochromatic

#0E1B06 #264D12 #3F7F1D #58B128 #75D442

Accessibility & contrast

On white

4.92

#3F7F1D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#3F7F1D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F7F1D

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7F1D	#FFFFFF	#000000	##FFFFFF
##3F7F1D	1.00	4.92	4.26	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#837408

Deuteranopia (green-blind)

#7B6E27

Tritanopia (blue-blind)

#3B7A6C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3f7f1d;
/* rgb */ color: rgb(63, 127, 29);
/* oklch */ color: oklch(53.4% 0.145 137.1);

Tailwind

colors: {
  custom: {
    50: '#7ba561',
    500: '#3f7f1d',
    950: '#000000',
  },
}

SCSS

$custom: #3f7f1d;
$custom-light: #7ba561;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7f1d",
  "rgb": {
    "r": 63,
    "g": 127,
    "b": 29
  },
  "hsl": {
    "h": 99.184,
    "s": 62.821,
    "l": 30.588
  },
  "oklch": {
    "l": 0.53377,
    "c": 0.14503,
    "h": 137.1
  },
  "luminance": 0.16324
}

Semantic roles & 50–950 ramp

primary

#3F7F1D

secondary

#8D45B2

accent

#42E6AD

background

#F7FAF5

surface

#EEF4EA

border

#C9CEC6

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #3F7F1D

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

Preview Lab → · Contrast checker → · Palette generator →