#1B9B37#1B9B37

#1B9B37 is a mid, vivid green. Relative luminance 0.240; OKLCH L 60.3% C 0.175 H 145.9°. Best body text is #000000 at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#1B9B37
RGB	rgb(27, 155, 55)
HSL	hsl(133, 70%, 36%)
HSV	hsv(133, 83%, 61%)
CMYK	cmyk(82.6%, 0%, 64.5%, 39.2%)
CIE-LAB	lab(56.04, -53.81, 42.01)
CIE-LCH	lch(56.04, 68.26, 142.02°)
OKLab	oklab(60.33% -0.1449 0.098)
OKLCH	oklch(60.33% 0.175 145.9)
XYZ	xyz(12.8620, 23.9500, 7.5586)
Luminance	0.2395 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9B37 #9B1B7F

analogous

#3F9B1B #1B9B37 #1B9B77

triadic

#1B9B37 #371B9B #9B371B

tetradic

#1B9B37 #1B3F9B #9B1B7F #9B771B

square

#1B9B37 #1B3F9B #9B1B7F #9B771B

split-complementary

#1B9B37 #771B9B #9B1B3F

monochromatic

#093312 #126725 #1B9B37 #24CF49 #50E070

Accessibility & contrast

On white

3.63

#1B9B37 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.79

#1B9B37 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9B37

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9B37	#FFFFFF	#000000	##000000
##1B9B37	1.00	3.63	5.79	5.79
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.79	21.00	1.00	1.00
##000000	5.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9D8C2B

Deuteranopia (green-blind)

#908340

Tritanopia (blue-blind)

#009786

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #1b9b37;
/* rgb */ color: rgb(27, 155, 55);
/* oklch */ color: oklch(60.3% 0.175 145.9);

Tailwind

colors: {
  custom: {
    50: '#70ba72',
    500: '#1b9b37',
    950: '#000000',
  },
}

SCSS

$custom: #1b9b37;
$custom-light: #70ba72;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9b37",
  "rgb": {
    "r": 27,
    "g": 155,
    "b": 55
  },
  "hsl": {
    "h": 133.125,
    "s": 70.33,
    "l": 35.686
  },
  "oklch": {
    "l": 0.60326,
    "c": 0.17491,
    "h": 145.9
  },
  "luminance": 0.23952
}

Semantic roles & 50–950 ramp

primary

#1B9B37

secondary

#C34FAA

accent

#3BC6ED

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#091208

muted

#7B817B

Preview Lab

Preview with #1B9B37

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

Preview Lab → · Contrast checker → · Palette generator →