#3F7F17#3F7F17

#3F7F17 is a mid, vivid yellow-green. Relative luminance 0.163; OKLCH L 53.3% C 0.148 H 136.6°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#3F7F17
RGB	rgb(63, 127, 23)
HSL	hsl(97, 69%, 29%)
HSV	hsv(97, 82%, 50%)
CMYK	cmyk(50.4%, 0%, 81.9%, 50.2%)
CIE-LAB	lab(47.36, -38.70, 46.02)
CIE-LCH	lch(47.36, 60.13, 130.06°)
OKLab	oklab(53.34% -0.1077 0.102)
OKLCH	oklch(53.34% 0.148 136.6)
XYZ	xyz(9.7936, 16.2967, 3.4400)
Luminance	0.1630 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7F17 #57177F

analogous

#737F17 #3F7F17 #177F23

triadic

#3F7F17 #173F7F #7F173F

tetradic

#3F7F17 #17737F #57177F #7F2317

square

#3F7F17 #17737F #57177F #7F2317

split-complementary

#3F7F17 #23177F #7F1773

monochromatic

#0D1A05 #254B0E #3F7F17 #59B320 #75DB36

Accessibility & contrast

On white

4.93

#3F7F17 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#3F7F17 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F7F17

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7F17	#FFFFFF	#000000	##FFFFFF
##3F7F17	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#847400

Deuteranopia (green-blind)

#7B6E23

Tritanopia (blue-blind)

#3C7A6C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3f7f17;
/* rgb */ color: rgb(63, 127, 23);
/* oklch */ color: oklch(53.3% 0.148 136.6);

Tailwind

colors: {
  custom: {
    50: '#7ba55e',
    500: '#3f7f17',
    950: '#000000',
  },
}

SCSS

$custom: #3f7f17;
$custom-light: #7ba55e;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7f17",
  "rgb": {
    "r": 63,
    "g": 127,
    "b": 23
  },
  "hsl": {
    "h": 96.923,
    "s": 69.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.53337,
    "c": 0.14834,
    "h": 136.6
  },
  "luminance": 0.16297
}

Semantic roles & 50–950 ramp

primary

#3F7F17

secondary

#863EB4

accent

#3CECA8

background

#F7FAF5

surface

#EEF4E9

border

#C9CEC5

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #3F7F17

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

Preview Lab → · Contrast checker → · Palette generator →