#3F7F1E#3F7F1E

#3F7F1E is a mid, vivid yellow-green. Relative luminance 0.163; OKLCH L 53.4% C 0.144 H 137.2°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#3F7F1E
RGB	rgb(63, 127, 30)
HSL	hsl(100, 62%, 31%)
HSV	hsv(100, 76%, 50%)
CMYK	cmyk(50.4%, 0%, 76.4%, 50.2%)
CIE-LAB	lab(47.40, -38.25, 43.62)
CIE-LCH	lch(47.40, 58.01, 131.25°)
OKLab	oklab(53.38% -0.106 0.0981)
OKLCH	oklch(53.38% 0.144 137.2)
XYZ	xyz(9.8733, 16.3286, 3.8595)
Luminance	0.1633 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7F1E #5E1E7F

analogous

#6F7F1E #3F7F1E #1E7F2E

triadic

#3F7F1E #1E3F7F #7F1E3F

tetradic

#3F7F1E #1E6F7F #5E1E7F #7F2E1E

square

#3F7F1E #1E6F7F #5E1E7F #7F2E1E

split-complementary

#3F7F1E #2E1E7F #7F1E6F

monochromatic

#0E1C07 #264D12 #3F7F1E #58B12A #75D344

Accessibility & contrast

On white

4.92

#3F7F1E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#3F7F1E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F7F1E

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7F1E	#FFFFFF	#000000	##FFFFFF
##3F7F1E	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#83740B

Deuteranopia (green-blind)

#7B6E28

Tritanopia (blue-blind)

#3B7A6C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3f7f1e;
/* rgb */ color: rgb(63, 127, 30);
/* oklch */ color: oklch(53.4% 0.144 137.2);

Tailwind

colors: {
  custom: {
    50: '#7ba561',
    500: '#3f7f1e',
    950: '#000000',
  },
}

SCSS

$custom: #3f7f1e;
$custom-light: #7ba561;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7f1e",
  "rgb": {
    "r": 63,
    "g": 127,
    "b": 30
  },
  "hsl": {
    "h": 99.588,
    "s": 61.783,
    "l": 30.784
  },
  "oklch": {
    "l": 0.53384,
    "c": 0.14442,
    "h": 137.2
  },
  "luminance": 0.16329
}

Semantic roles & 50–950 ramp

primary

#3F7F1E

secondary

#8E47B2

accent

#43E5AE

background

#F7FAF5

surface

#EEF4EA

border

#C9CEC6

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #3F7F1E

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

Preview Lab → · Contrast checker → · Palette generator →