#378310#378310

#378310 is a mid, vivid yellow-green. Relative luminance 0.171; OKLCH L 54.1% C 0.160 H 138.1°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#378310
RGB	rgb(55, 131, 16)
HSL	hsl(100, 78%, 29%)
HSV	hsv(100, 88%, 51%)
CMYK	cmyk(58%, 0%, 87.8%, 48.6%)
CIE-LAB	lab(48.36, -43.09, 48.79)
CIE-LCH	lch(48.36, 65.09, 131.45°)
OKLab	oklab(54.07% -0.1193 0.1069)
OKLCH	oklch(54.07% 0.16 138.1)
XYZ	xyz(9.7850, 17.0814, 3.2715)
Luminance	0.1708 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378310 #5C1083

analogous

#718310 #378310 #108323

triadic

#378310 #103783 #831037

tetradic

#378310 #107183 #5C1083 #832310

square

#378310 #107183 #5C1083 #832310

split-complementary

#378310 #231083 #831071

monochromatic

#0B1B03 #204C09 #378310 #4EBA17 #68E529

Accessibility & contrast

On white

4.76

#378310 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#378310 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #378310

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378310	#FFFFFF	#000000	##FFFFFF
##378310	1.00	4.76	4.42	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#877700

Deuteranopia (green-blind)

#7E7120

Tritanopia (blue-blind)

#307E6F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #378310;
/* rgb */ color: rgb(55, 131, 16);
/* oklch */ color: oklch(54.1% 0.160 138.1);

Tailwind

colors: {
  custom: {
    50: '#78a85c',
    500: '#378310',
    950: '#000000',
  },
}

SCSS

$custom: #378310;
$custom-light: #78a85c;
$custom-dark: #000000;

JSON

{
  "hex": "#378310",
  "rgb": {
    "r": 55,
    "g": 131,
    "b": 16
  },
  "hsl": {
    "h": 99.652,
    "s": 78.231,
    "l": 28.824
  },
  "oklch": {
    "l": 0.54065,
    "c": 0.16019,
    "h": 138.1
  },
  "luminance": 0.17082
}

Semantic roles & 50–950 ramp

primary

#378310

secondary

#8C36B9

accent

#33F5B3

background

#F7FAF5

surface

#EEF4E9

border

#C9CEC5

text

#0A1004

muted

#7C7F79

Preview Lab

Preview with #378310

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

Preview Lab → · Contrast checker → · Palette generator →