#1B8A3B#1B8A3B

#1B8A3B is a mid, vivid green. Relative luminance 0.187; OKLCH L 55.6% C 0.151 H 147.9°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#1B8A3B
RGB	rgb(27, 138, 59)
HSL	hsl(137, 67%, 32%)
HSV	hsv(137, 80%, 54%)
CMYK	cmyk(80.4%, 0%, 57.2%, 45.9%)
CIE-LAB	lab(50.36, -47.44, 33.52)
CIE-LCH	lch(50.36, 58.09, 144.76°)
OKLab	oklab(55.63% -0.1275 0.08)
OKLCH	oklch(55.63% 0.151 147.9)
XYZ	xyz(10.3291, 18.7245, 7.2066)
Luminance	0.1873 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8A3B #8A1B6A

analogous

#338A1B #1B8A3B #1B8A72

triadic

#1B8A3B #3B1B8A #8A3B1B

tetradic

#1B8A3B #1B338A #8A1B6A #8A721B

square

#1B8A3B #1B338A #8A1B6A #8A721B

split-complementary

#1B8A3B #721B8A #8A1B33

monochromatic

#07240F #115725 #1B8A3B #25BD51 #45DB70

Accessibility & contrast

On white

4.43

#1B8A3B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#1B8A3B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8A3B

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8A3B	#FFFFFF	#000000	##000000
##1B8A3B	1.00	4.43	4.75	4.75
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7D34

Deuteranopia (green-blind)

#7F7441

Tritanopia (blue-blind)

#008778

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1b8a3b;
/* rgb */ color: rgb(27, 138, 59);
/* oklch */ color: oklch(55.6% 0.151 147.9);

Tailwind

colors: {
  custom: {
    50: '#6cad73',
    500: '#1b8a3b',
    950: '#000000',
  },
}

SCSS

$custom: #1b8a3b;
$custom-light: #6cad73;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8a3b",
  "rgb": {
    "r": 27,
    "g": 138,
    "b": 59
  },
  "hsl": {
    "h": 137.297,
    "s": 67.273,
    "l": 32.353
  },
  "oklch": {
    "l": 0.55629,
    "c": 0.15054,
    "h": 147.9
  },
  "luminance": 0.18726
}

Semantic roles & 50–950 ramp

primary

#1B8A3B

secondary

#BC459A

accent

#3EB8EA

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081008

muted

#7B7F7B

Preview Lab

Preview with #1B8A3B

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

Preview Lab → · Contrast checker → · Palette generator →