#377E13#377E13

#377E13 is a mid, vivid yellow-green. Relative luminance 0.158; OKLCH L 52.7% C 0.153 H 137.9°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#377E13
RGB	rgb(55, 126, 19)
HSL	hsl(100, 74%, 28%)
HSV	hsv(100, 85%, 49%)
CMYK	cmyk(56.3%, 0%, 84.9%, 50.6%)
CIE-LAB	lab(46.68, -41.01, 46.49)
CIE-LCH	lch(46.68, 61.99, 131.41°)
OKLab	oklab(52.68% -0.1136 0.1025)
OKLCH	oklch(52.68% 0.153 137.9)
XYZ	xyz(9.1536, 15.7802, 3.1795)
Luminance	0.1578 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377E13 #5A137E

analogous

#6C7E13 #377E13 #137E24

triadic

#377E13 #13377E #7E1337

tetradic

#377E13 #136C7E #5A137E #7E2413

square

#377E13 #136C7E #5A137E #7E2413

split-complementary

#377E13 #24137E #7E136C

monochromatic

#0C1B04 #20490B #377E13 #4EB31B #68DF2C

Accessibility & contrast

On white

5.05

#377E13 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#377E13 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #377E13

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377E13	#FFFFFF	#000000	##FFFFFF
##377E13	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#827200

Deuteranopia (green-blind)

#796C20

Tritanopia (blue-blind)

#31796B

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #377e13;
/* rgb */ color: rgb(55, 126, 19);
/* oklch */ color: oklch(52.7% 0.153 137.9);

Tailwind

colors: {
  custom: {
    50: '#77a45c',
    500: '#377e13',
    950: '#000000',
  },
}

SCSS

$custom: #377e13;
$custom-light: #77a45c;
$custom-dark: #000000;

JSON

{
  "hex": "#377e13",
  "rgb": {
    "r": 55,
    "g": 126,
    "b": 19
  },
  "hsl": {
    "h": 99.813,
    "s": 73.793,
    "l": 28.431
  },
  "oklch": {
    "l": 0.52684,
    "c": 0.15299,
    "h": 137.9
  },
  "luminance": 0.15781
}

Semantic roles & 50–950 ramp

primary

#377E13

secondary

#8A39B4

accent

#37F0B2

background

#F7FAF5

surface

#EEF4E9

border

#C9CEC5

text

#090F04

muted

#7B7F79

Preview Lab

Preview with #377E13

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

Preview Lab → · Contrast checker → · Palette generator →