#377B13#377B13

#377B13 is a mid, vivid yellow-green. Relative luminance 0.150; OKLCH L 51.8% C 0.149 H 137.7°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX#377B13
RGBrgb(55, 123, 19)
HSLhsl(99, 73%, 28%)
HSVhsv(99, 85%, 48%)
CMYKcmyk(55.3%, 0%, 84.6%, 51.8%)
CIE-LABlab(45.67, -39.82, 45.56)
CIE-LCHlch(45.67, 60.51, 131.15°)
OKLaboklab(51.85% -0.1104 0.1005)
OKLCHoklch(51.85% 0.149 137.7)
XYZxyz(8.7758, 15.0245, 3.0535)
Luminance0.1502 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#377B13 #57137B
analogous
#6B7B13 #377B13 #137B23
triadic
#377B13 #13377B #7B1337
tetradic
#377B13 #136B7B #57137B #7B2313
square
#377B13 #136B7B #57137B #7B2313
split-complementary
#377B13 #23137B #7B136B
monochromatic
#0C1B04 #1F460B #377B13 #4FB01B #69DE2A

Accessibility & contrast

On white

5.24
#377B13 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.00
#377B13 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #377B13
5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##377B13#FFFFFF#000000##FFFFFF
##377B131.005.244.005.24
#FFFFFF5.241.0021.001.00
#0000004.0021.001.0021.00
##FFFFFF5.241.0021.001.00

Color blindness preview

Protanopia (red-blind)
#7F7000
Deuteranopia (green-blind)
#776A20
Tritanopia (blue-blind)
#327668
Achromatopsia (no color)
#6C6C6C

Design tokens & code

CSS
--color: #377b13;
/* rgb */ color: rgb(55, 123, 19);
/* oklch */ color: oklch(51.8% 0.149 137.7);
Tailwind
colors: {
  custom: {
    50: '#76a25b',
    500: '#377b13',
    950: '#000000',
  },
}
SCSS
$custom: #377b13;
$custom-light: #76a25b;
$custom-dark: #000000;
JSON
{
  "hex": "#377b13",
  "rgb": {
    "r": 55,
    "g": 123,
    "b": 19
  },
  "hsl": {
    "h": 99.231,
    "s": 73.239,
    "l": 27.843
  },
  "oklch": {
    "l": 0.51845,
    "c": 0.14932,
    "h": 137.7
  },
  "luminance": 0.15025
}

Semantic roles & 50–950 ramp

primary
#377B13
secondary
#8739B1
accent
#38F0B0
background
#F7FAF5
surface
#EEF3E9
border
#C9CDC5
text
#090F04
muted
#7B7F79

Preview Lab

Preview with #377B13

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

Preview Lab → · Contrast checker → · Palette generator →

#377B13 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva