#37781B#37781B

#37781B is a mid, vivid green. Relative luminance 0.143; OKLCH L 51.1% C 0.141 H 138.2°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#37781B
RGB	rgb(55, 120, 27)
HSL	hsl(102, 63%, 29%)
HSV	hsv(102, 78%, 47%)
CMYK	cmyk(54.2%, 0%, 77.5%, 52.9%)
CIE-LAB	lab(44.69, -38.11, 41.95)
CIE-LCH	lch(44.69, 56.67, 132.25°)
OKLab	oklab(51.06% -0.1053 0.0942)
OKLCH	oklch(51.06% 0.141 138.2)
XYZ	xyz(8.4895, 14.3237, 3.3541)
Luminance	0.1432 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37781B #5C1B78

analogous

#66781B #37781B #1B782E

triadic

#37781B #1B3778 #781B37

tetradic

#37781B #1B6678 #5C1B78 #782E1B

square

#37781B #1B6678 #5C1B78 #782E1B

split-complementary

#37781B #2E1B78 #781B66

monochromatic

#0B1906 #204610 #37781B #4EAA26 #68D33B

Accessibility & contrast

On white

5.43

#37781B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#37781B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37781B

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37781B	#FFFFFF	#000000	##FFFFFF
##37781B	1.00	5.43	3.86	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C6D08

Deuteranopia (green-blind)

#746825

Tritanopia (blue-blind)

#327466

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #37781b;
/* rgb */ color: rgb(55, 120, 27);
/* oklch */ color: oklch(51.1% 0.141 138.2);

Tailwind

colors: {
  custom: {
    50: '#759f5e',
    500: '#37781b',
    950: '#000000',
  },
}

SCSS

$custom: #37781b;
$custom-light: #759f5e;
$custom-dark: #000000;

JSON

{
  "hex": "#37781b",
  "rgb": {
    "r": 55,
    "g": 120,
    "b": 27
  },
  "hsl": {
    "h": 101.935,
    "s": 63.265,
    "l": 28.824
  },
  "oklch": {
    "l": 0.51057,
    "c": 0.14131,
    "h": 138.2
  },
  "luminance": 0.14324
}

Semantic roles & 50–950 ramp

primary

#37781B

secondary

#8C43AC

accent

#41E6B5

background

#F7F9F5

surface

#EDF2E9

border

#C8CCC5

text

#090E05

muted

#7B7E79

Preview Lab

Preview with #37781B

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

Preview Lab → · Contrast checker → · Palette generator →