#1B8B33#1B8B33

#1B8B33 is a mid, vivid green. Relative luminance 0.189; OKLCH L 55.8% C 0.159 H 146.1°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#1B8B33
RGB	rgb(27, 139, 51)
HSL	hsl(133, 67%, 33%)
HSV	hsv(133, 81%, 55%)
CMYK	cmyk(80.6%, 0%, 63.3%, 45.5%)
CIE-LAB	lab(50.61, -48.89, 37.72)
CIE-LCH	lch(50.61, 61.75, 142.35°)
OKLab	oklab(55.81% -0.1316 0.0885)
OKLCH	oklch(55.81% 0.159 146.1)
XYZ	xyz(10.2814, 18.9360, 6.2445)
Luminance	0.1894 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8B33 #8B1B73

analogous

#3B8B1B #1B8B33 #1B8B6B

triadic

#1B8B33 #331B8B #8B331B

tetradic

#1B8B33 #1B3B8B #8B1B73 #8B6B1B

square

#1B8B33 #1B3B8B #8B1B73 #8B6B1B

split-complementary

#1B8B33 #6B1B8B #8B1B3B

monochromatic

#07250D #115820 #1B8B33 #25BE46 #45DB65

Accessibility & contrast

On white

4.39

#1B8B33 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#1B8B33 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8B33

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8B33	#FFFFFF	#000000	##000000
##1B8B33	1.00	4.39	4.79	4.79
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7E29

Deuteranopia (green-blind)

#81753B

Tritanopia (blue-blind)

#008878

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1b8b33;
/* rgb */ color: rgb(27, 139, 51);
/* oklch */ color: oklch(55.8% 0.159 146.1);

Tailwind

colors: {
  custom: {
    50: '#6cae6e',
    500: '#1b8b33',
    950: '#000000',
  },
}

SCSS

$custom: #1b8b33;
$custom-light: #6cae6e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8b33",
  "rgb": {
    "r": 27,
    "g": 139,
    "b": 51
  },
  "hsl": {
    "h": 132.857,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.55807,
    "c": 0.15861,
    "h": 146.1
  },
  "luminance": 0.18937
}

Semantic roles & 50–950 ramp

primary

#1B8B33

secondary

#BC45A3

accent

#3DC5EA

background

#F7FAF6

surface

#EDF4EC

border

#C8CEC7

text

#081007

muted

#7B7F7A

Preview Lab

Preview with #1B8B33

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

Preview Lab → · Contrast checker → · Palette generator →