#337311#337311

#337311 is a mid, vivid yellow-green. Relative luminance 0.130; OKLCH L 49.4% C 0.142 H 137.7°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#337311
RGB	rgb(51, 115, 17)
HSL	hsl(99, 74%, 26%)
HSV	hsv(99, 85%, 45%)
CMYK	cmyk(55.7%, 0%, 85.2%, 54.9%)
CIE-LAB	lab(42.77, -37.95, 43.44)
CIE-LCH	lch(42.77, 57.68, 131.14°)
OKLab	oklab(49.41% -0.1052 0.0959)
OKLCH	oklch(49.41% 0.142 137.7)
XYZ	xyz(7.5969, 13.0052, 2.6401)
Luminance	0.1301 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337311 #511173

analogous

#647311 #337311 #117320

triadic

#337311 #113373 #731133

tetradic

#337311 #116473 #511173 #732011

square

#337311 #116473 #511173 #732011

split-complementary

#337311 #201173 #731164

monochromatic

#0C1B04 #1B3E09 #337311 #4BA819 #62DE21

Accessibility & contrast

On white

5.83

#337311 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#337311 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #337311

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337311	#FFFFFF	#000000	##FFFFFF
##337311	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#776800

Deuteranopia (green-blind)

#6F631D

Tritanopia (blue-blind)

#2E6F61

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #337311;
/* rgb */ color: rgb(51, 115, 17);
/* oklch */ color: oklch(49.4% 0.142 137.7);

Tailwind

colors: {
  custom: {
    50: '#739c59',
    500: '#337311',
    950: '#000000',
  },
}

SCSS

$custom: #337311;
$custom-light: #739c59;
$custom-dark: #000000;

JSON

{
  "hex": "#337311",
  "rgb": {
    "r": 51,
    "g": 115,
    "b": 17
  },
  "hsl": {
    "h": 99.184,
    "s": 74.242,
    "l": 25.882
  },
  "oklch": {
    "l": 0.4941,
    "c": 0.14232,
    "h": 137.7
  },
  "luminance": 0.13006
}

Semantic roles & 50–950 ramp

primary

#337311

secondary

#8236AA

accent

#37F1B0

background

#F7F9F5

surface

#EDF2E9

border

#C8CCC5

text

#090E04

muted

#7B7E79

Preview Lab

Preview with #337311

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

Preview Lab → · Contrast checker → · Palette generator →