#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
RGB	rgb(55, 123, 19)
HSL	hsl(99, 73%, 28%)
HSV	hsv(99, 85%, 48%)
CMYK	cmyk(55.3%, 0%, 84.6%, 51.8%)
CIE-LAB	lab(45.67, -39.82, 45.56)
CIE-LCH	lch(45.67, 60.51, 131.15°)
OKLab	oklab(51.85% -0.1104 0.1005)
OKLCH	oklch(51.85% 0.149 137.7)
XYZ	xyz(8.7758, 15.0245, 3.0535)
Luminance	0.1502 (WCAG relative)
Temperature	warm
Family	yellow-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
##377B13	1.00	5.24	4.00	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

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 →