#1B873A#1B873A

#1B873A is a mid, vivid green. Relative luminance 0.179; OKLCH L 54.8% C 0.148 H 147.9°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#1B873A
RGB	rgb(27, 135, 58)
HSL	hsl(137, 67%, 32%)
HSV	hsv(137, 80%, 53%)
CMYK	cmyk(80%, 0%, 57%, 47.1%)
CIE-LAB	lab(49.33, -46.52, 32.79)
CIE-LCH	lch(49.33, 56.91, 144.82°)
OKLab	oklab(54.77% -0.125 0.0784)
OKLCH	oklch(54.77% 0.148 147.9)
XYZ	xyz(9.8789, 17.8653, 6.9299)
Luminance	0.1787 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B873A #871B68

analogous

#32871B #1B873A #1B8770

triadic

#1B873A #3A1B87 #873A1B

tetradic

#1B873A #1B3287 #871B68 #87701B

square

#1B873A #1B3287 #871B68 #87701B

split-complementary

#1B873A #701B87 #871B32

monochromatic

#07210E #115424 #1B873A #25BA50 #43D96E

Accessibility & contrast

On white

4.59

#1B873A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#1B873A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #1B873A

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B873A	#FFFFFF	#000000	##FFFFFF
##1B873A	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#887A33

Deuteranopia (green-blind)

#7C7240

Tritanopia (blue-blind)

#008476

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #1b873a;
/* rgb */ color: rgb(27, 135, 58);
/* oklch */ color: oklch(54.8% 0.148 147.9);

Tailwind

colors: {
  custom: {
    50: '#6bab72',
    500: '#1b873a',
    950: '#000000',
  },
}

SCSS

$custom: #1b873a;
$custom-light: #6bab72;
$custom-dark: #000000;

JSON

{
  "hex": "#1b873a",
  "rgb": {
    "r": 27,
    "g": 135,
    "b": 58
  },
  "hsl": {
    "h": 137.222,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.54771,
    "c": 0.14756,
    "h": 147.9
  },
  "luminance": 0.17866
}

Semantic roles & 50–950 ramp

primary

#1B873A

secondary

#BA4498

accent

#3EB8EA

background

#F6FAF7

surface

#ECF4ED

border

#C7CEC8

text

#081008

muted

#7A7F7B

Preview Lab

Preview with #1B873A

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

Preview Lab → · Contrast checker → · Palette generator →