#3F7B1E#3F7B1E

#3F7B1E is a mid, vivid yellow-green. Relative luminance 0.153; OKLCH L 52.3% C 0.139 H 136.8°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX#3F7B1E
RGBrgb(63, 123, 30)
HSLhsl(99, 61%, 30%)
HSVhsv(99, 76%, 48%)
CMYKcmyk(48.8%, 0%, 75.6%, 51.8%)
CIE-LABlab(46.06, -36.56, 42.28)
CIE-LCHlch(46.06, 55.90, 130.85°)
OKLaboklab(52.28% -0.1015 0.0953)
OKLCHoklch(52.28% 0.139 136.8)
XYZxyz(9.3669, 15.3158, 3.6907)
Luminance0.1532 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F7B1E #5A1E7B
analogous
#6D7B1E #3F7B1E #1E7B2C
triadic
#3F7B1E #1E3F7B #7B1E3F
tetradic
#3F7B1E #1E6D7B #5A1E7B #7B2C1E
square
#3F7B1E #1E6D7B #5A1E7B #7B2C1E
split-complementary
#3F7B1E #2C1E7B #7B1E6D
monochromatic
#0D1906 #264A12 #3F7B1E #58AC2A #75D142

Accessibility & contrast

On white

5.17
#3F7B1E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.06
#3F7B1E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F7B1E
5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F7B1E#FFFFFF#000000##FFFFFF
##3F7B1E1.005.174.065.17
#FFFFFF5.171.0021.001.00
#0000004.0621.001.0021.00
##FFFFFF5.171.0021.001.00

Color blindness preview

Protanopia (red-blind)
#7F700D
Deuteranopia (green-blind)
#776B27
Tritanopia (blue-blind)
#3C7669
Achromatopsia (no color)
#6D6D6D

Design tokens & code

CSS
--color: #3f7b1e;
/* rgb */ color: rgb(63, 123, 30);
/* oklch */ color: oklch(52.3% 0.139 136.8);
Tailwind
colors: {
  custom: {
    50: '#7aa260',
    500: '#3f7b1e',
    950: '#000000',
  },
}
SCSS
$custom: #3f7b1e;
$custom-light: #7aa260;
$custom-dark: #000000;
JSON
{
  "hex": "#3f7b1e",
  "rgb": {
    "r": 63,
    "g": 123,
    "b": 30
  },
  "hsl": {
    "h": 98.71,
    "s": 60.784,
    "l": 30
  },
  "oklch": {
    "l": 0.52284,
    "c": 0.13919,
    "h": 136.8
  },
  "luminance": 0.15316
}

Semantic roles & 50–950 ramp

primary
#3F7B1E
secondary
#8A46AE
accent
#44E4AB
background
#F7FAF5
surface
#EEF3EA
border
#C9CDC6
text
#0A0F05
muted
#7C7F79

Preview Lab

Preview with #3F7B1E

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

Preview Lab → · Contrast checker → · Palette generator →

#3F7B1E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva