#1B8B2C#1B8B2C

#1B8B2C is a mid, vivid green. Relative luminance 0.189; OKLCH L 55.7% C 0.164 H 144.9°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#1B8B2C
RGB	rgb(27, 139, 44)
HSL	hsl(129, 67%, 33%)
HSV	hsv(129, 81%, 55%)
CMYK	cmyk(80.6%, 0%, 68.3%, 45.5%)
CIE-LAB	lab(50.55, -49.71, 40.84)
CIE-LCH	lch(50.55, 64.33, 140.59°)
OKLab	oklab(55.73% -0.1341 0.0944)
OKLCH	oklch(55.73% 0.164 144.9)
XYZ	xyz(10.1385, 18.8789, 5.4920)
Luminance	0.1888 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8B2C #8B1B7A

analogous

#428B1B #1B8B2C #1B8B64

triadic

#1B8B2C #2C1B8B #8B2C1B

tetradic

#1B8B2C #1B428B #8B1B7A #8B641B

square

#1B8B2C #1B428B #8B1B7A #8B641B

split-complementary

#1B8B2C #641B8B #8B1B42

monochromatic

#07250C #11581C #1B8B2C #25BE3C #45DB5C

Accessibility & contrast

On white

4.40

#1B8B2C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#1B8B2C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8B2C

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8B2C	#FFFFFF	#000000	##000000
##1B8B2C	1.00	4.40	4.78	4.78
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7D1F

Deuteranopia (green-blind)

#817535

Tritanopia (blue-blind)

#008778

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1b8b2c;
/* rgb */ color: rgb(27, 139, 44);
/* oklch */ color: oklch(55.7% 0.164 144.9);

Tailwind

colors: {
  custom: {
    50: '#6dae6a',
    500: '#1b8b2c',
    950: '#000000',
  },
}

SCSS

$custom: #1b8b2c;
$custom-light: #6dae6a;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8b2c",
  "rgb": {
    "r": 27,
    "g": 139,
    "b": 44
  },
  "hsl": {
    "h": 129.107,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.55729,
    "c": 0.16401,
    "h": 144.9
  },
  "luminance": 0.1888
}

Semantic roles & 50–950 ramp

primary

#1B8B2C

secondary

#BC45AA

accent

#3DD0EA

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#081007

muted

#7B7F7A

Preview Lab

Preview with #1B8B2C

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

Preview Lab → · Contrast checker → · Palette generator →