#3F7C17#3F7C17

#3F7C17 is a mid, vivid yellow-green. Relative luminance 0.155; OKLCH L 52.5% C 0.145 H 136.2°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#3F7C17
RGB	rgb(63, 124, 23)
HSL	hsl(96, 69%, 29%)
HSV	hsv(96, 81%, 49%)
CMYK	cmyk(49.2%, 0%, 81.5%, 51.4%)
CIE-LAB	lab(46.36, -37.45, 45.07)
CIE-LCH	lch(46.36, 58.60, 129.72°)
OKLab	oklab(52.51% -0.1044 0.1)
OKLCH	oklch(52.51% 0.145 136.2)
XYZ	xyz(9.4120, 15.5333, 3.3127)
Luminance	0.1553 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7C17 #54177C

analogous

#727C17 #3F7C17 #177C22

triadic

#3F7C17 #173F7C #7C173F

tetradic

#3F7C17 #17727C #54177C #7C2217

square

#3F7C17 #17727C #54177C #7C2217

split-complementary

#3F7C17 #22177C #7C1772

monochromatic

#0D1A05 #25480D #3F7C17 #59B021 #76D934

Accessibility & contrast

On white

5.11

#3F7C17 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#3F7C17 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F7C17

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7C17	#FFFFFF	#000000	##FFFFFF
##3F7C17	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#817100

Deuteranopia (green-blind)

#796C22

Tritanopia (blue-blind)

#3C7769

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3f7c17;
/* rgb */ color: rgb(63, 124, 23);
/* oklch */ color: oklch(52.5% 0.145 136.2);

Tailwind

colors: {
  custom: {
    50: '#7ba25d',
    500: '#3f7c17',
    950: '#000000',
  },
}

SCSS

$custom: #3f7c17;
$custom-light: #7ba25d;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7c17",
  "rgb": {
    "r": 63,
    "g": 124,
    "b": 23
  },
  "hsl": {
    "h": 96.238,
    "s": 68.707,
    "l": 28.824
  },
  "oklch": {
    "l": 0.5251,
    "c": 0.14455,
    "h": 136.2
  },
  "luminance": 0.15534
}

Semantic roles & 50–950 ramp

primary

#3F7C17

secondary

#833EB1

accent

#3CECA6

background

#F7FAF5

surface

#EEF3E9

border

#C9CDC5

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #3F7C17

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

Preview Lab → · Contrast checker → · Palette generator →