#1B9B33#1B9B33

#1B9B33 is a mid, vivid green. Relative luminance 0.239; OKLCH L 60.3% C 0.178 H 145.3°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#1B9B33
RGB	rgb(27, 155, 51)
HSL	hsl(131, 70%, 36%)
HSV	hsv(131, 83%, 61%)
CMYK	cmyk(82.6%, 0%, 67.1%, 39.2%)
CIE-LAB	lab(56.00, -54.26, 43.74)
CIE-LCH	lch(56.00, 69.69, 141.13°)
OKLab	oklab(60.28% -0.1462 0.1013)
OKLCH	oklch(60.28% 0.178 145.3)
XYZ	xyz(12.7700, 23.9131, 7.0740)
Luminance	0.2392 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9B33 #9B1B83

analogous

#439B1B #1B9B33 #1B9B73

triadic

#1B9B33 #331B9B #9B331B

tetradic

#1B9B33 #1B439B #9B1B83 #9B731B

square

#1B9B33 #1B439B #9B1B83 #9B731B

split-complementary

#1B9B33 #731B9B #9B1B43

monochromatic

#093311 #126722 #1B9B33 #24CF44 #50E06B

Accessibility & contrast

On white

3.63

#1B9B33 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#1B9B33 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9B33

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9B33	#FFFFFF	#000000	##000000
##1B9B33	1.00	3.63	5.78	5.78
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.78	21.00	1.00	1.00
##000000	5.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9E8C26

Deuteranopia (green-blind)

#90823D

Tritanopia (blue-blind)

#009786

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #1b9b33;
/* rgb */ color: rgb(27, 155, 51);
/* oklch */ color: oklch(60.3% 0.178 145.3);

Tailwind

colors: {
  custom: {
    50: '#71ba70',
    500: '#1b9b33',
    950: '#000000',
  },
}

SCSS

$custom: #1b9b33;
$custom-light: #71ba70;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9b33",
  "rgb": {
    "r": 27,
    "g": 155,
    "b": 51
  },
  "hsl": {
    "h": 131.25,
    "s": 70.33,
    "l": 35.686
  },
  "oklch": {
    "l": 0.60283,
    "c": 0.17789,
    "h": 145.3
  },
  "luminance": 0.23915
}

Semantic roles & 50–950 ramp

primary

#1B9B33

secondary

#C34FAD

accent

#3BCCED

background

#F7FBF6

surface

#EDF6EC

border

#C8D0C7

text

#091208

muted

#7B817B

Preview Lab

Preview with #1B9B33

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

Preview Lab → · Contrast checker → · Palette generator →