#377D13#377D13

#377D13 is a mid, vivid yellow-green. Relative luminance 0.155; OKLCH L 52.4% C 0.152 H 137.9°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#377D13
RGB	rgb(55, 125, 19)
HSL	hsl(100, 74%, 28%)
HSV	hsv(100, 85%, 49%)
CMYK	cmyk(56%, 0%, 84.8%, 51%)
CIE-LAB	lab(46.35, -40.61, 46.18)
CIE-LCH	lch(46.35, 61.50, 131.33°)
OKLab	oklab(52.41% -0.1125 0.1018)
OKLCH	oklch(52.41% 0.152 137.9)
XYZ	xyz(9.0264, 15.5258, 3.1371)
Luminance	0.1553 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377D13 #59137D

analogous

#6C7D13 #377D13 #137D24

triadic

#377D13 #13377D #7D1337

tetradic

#377D13 #136C7D #59137D #7D2413

square

#377D13 #136C7D #59137D #7D2413

split-complementary

#377D13 #24137D #7D136C

monochromatic

#0C1B04 #20480B #377D13 #4EB21B #68DF2C

Accessibility & contrast

On white

5.12

#377D13 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#377D13 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #377D13

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377D13	#FFFFFF	#000000	##FFFFFF
##377D13	1.00	5.12	4.11	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#817100

Deuteranopia (green-blind)

#786C20

Tritanopia (blue-blind)

#31786A

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #377d13;
/* rgb */ color: rgb(55, 125, 19);
/* oklch */ color: oklch(52.4% 0.152 137.9);

Tailwind

colors: {
  custom: {
    50: '#76a35c',
    500: '#377d13',
    950: '#000000',
  },
}

SCSS

$custom: #377d13;
$custom-light: #76a35c;
$custom-dark: #000000;

JSON

{
  "hex": "#377d13",
  "rgb": {
    "r": 55,
    "g": 125,
    "b": 19
  },
  "hsl": {
    "h": 99.623,
    "s": 73.611,
    "l": 28.235
  },
  "oklch": {
    "l": 0.52405,
    "c": 0.15177,
    "h": 137.9
  },
  "luminance": 0.15526
}

Semantic roles & 50–950 ramp

primary

#377D13

secondary

#8939B3

accent

#38F0B2

background

#F7FAF5

surface

#EEF4E9

border

#C9CEC5

text

#090F04

muted

#7B7F79

Preview Lab

Preview with #377D13

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

Preview Lab → · Contrast checker → · Palette generator →