#3F7F18#3F7F18

#3F7F18 is a mid, vivid yellow-green. Relative luminance 0.163; OKLCH L 53.3% C 0.148 H 136.7°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#3F7F18
RGB	rgb(63, 127, 24)
HSL	hsl(97, 68%, 30%)
HSV	hsv(97, 81%, 50%)
CMYK	cmyk(50.4%, 0%, 81.1%, 50.2%)
CIE-LAB	lab(47.37, -38.64, 45.70)
CIE-LCH	lch(47.37, 59.85, 130.22°)
OKLab	oklab(53.34% -0.1075 0.1015)
OKLCH	oklch(53.34% 0.148 136.7)
XYZ	xyz(9.8039, 16.3008, 3.4937)
Luminance	0.1630 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7F18 #58187F

analogous

#727F18 #3F7F18 #187F25

triadic

#3F7F18 #183F7F #7F183F

tetradic

#3F7F18 #18727F #58187F #7F2518

square

#3F7F18 #18727F #58187F #7F2518

split-complementary

#3F7F18 #25187F #7F1872

monochromatic

#0D1A05 #254C0E #3F7F18 #59B222 #75D938

Accessibility & contrast

On white

4.93

#3F7F18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#3F7F18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F7F18

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7F18	#FFFFFF	#000000	##FFFFFF
##3F7F18	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)

#7B6E24

Tritanopia (blue-blind)

#3C7A6C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3f7f18;
/* rgb */ color: rgb(63, 127, 24);
/* oklch */ color: oklch(53.3% 0.148 136.7);

Tailwind

colors: {
  custom: {
    50: '#7ba55e',
    500: '#3f7f18',
    950: '#000000',
  },
}

SCSS

$custom: #3f7f18;
$custom-light: #7ba55e;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7f18",
  "rgb": {
    "r": 63,
    "g": 127,
    "b": 24
  },
  "hsl": {
    "h": 97.282,
    "s": 68.212,
    "l": 29.608
  },
  "oklch": {
    "l": 0.53343,
    "c": 0.14783,
    "h": 136.7
  },
  "luminance": 0.16301
}

Semantic roles & 50–950 ramp

primary

#3F7F18

secondary

#873FB3

accent

#3DEBA9

background

#F7FAF5

surface

#EEF4E9

border

#C9CEC5

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #3F7F18

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

Preview Lab → · Contrast checker → · Palette generator →