#1B873F#1B873F

#1B873F is a mid, vivid green. Relative luminance 0.179; OKLCH L 54.8% C 0.143 H 149.2°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#1B873F
RGB	rgb(27, 135, 63)
HSL	hsl(140, 67%, 32%)
HSV	hsv(140, 80%, 53%)
CMYK	cmyk(80%, 0%, 53.3%, 47.1%)
CIE-LAB	lab(49.40, -45.75, 30.29)
CIE-LCH	lch(49.40, 54.86, 146.49°)
OKLab	oklab(54.85% -0.1229 0.0731)
OKLCH	oklch(54.85% 0.143 149.2)
XYZ	xyz(10.0123, 17.9186, 7.6326)
Luminance	0.1792 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B873F #871B63

analogous

#2D871B #1B873F #1B8775

triadic

#1B873F #3F1B87 #873F1B

tetradic

#1B873F #1B2D87 #871B63 #87751B

square

#1B873F #1B2D87 #871B63 #87751B

split-complementary

#1B873F #751B87 #871B2D

monochromatic

#07210F #115427 #1B873F #25BA57 #43D975

Accessibility & contrast

On white

4.58

#1B873F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#1B873F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B873F

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B873F	#FFFFFF	#000000	##000000
##1B873F	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#887B39

Deuteranopia (green-blind)

#7C7244

Tritanopia (blue-blind)

#008476

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #1b873f;
/* rgb */ color: rgb(27, 135, 63);
/* oklch */ color: oklch(54.8% 0.143 149.2);

Tailwind

colors: {
  custom: {
    50: '#6bab76',
    500: '#1b873f',
    950: '#000000',
  },
}

SCSS

$custom: #1b873f;
$custom-light: #6bab76;
$custom-dark: #000000;

JSON

{
  "hex": "#1b873f",
  "rgb": {
    "r": 27,
    "g": 135,
    "b": 63
  },
  "hsl": {
    "h": 140,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.54845,
    "c": 0.143,
    "h": 149.2
  },
  "luminance": 0.1792
}

Semantic roles & 50–950 ramp

primary

#1B873F

secondary

#BA4493

accent

#3EB0EA

background

#F6FAF7

surface

#ECF4ED

border

#C7CEC8

text

#081008

muted

#7A7F7B

Preview Lab

Preview with #1B873F

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

Preview Lab → · Contrast checker → · Palette generator →