#1B873B#1B873B

#1B873B is a mid, vivid green. Relative luminance 0.179; OKLCH L 54.8% C 0.147 H 148.2°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#1B873B
RGB	rgb(27, 135, 59)
HSL	hsl(138, 67%, 32%)
HSV	hsv(138, 80%, 53%)
CMYK	cmyk(80%, 0%, 56.3%, 47.1%)
CIE-LAB	lab(49.34, -46.37, 32.30)
CIE-LCH	lch(49.34, 56.51, 145.14°)
OKLab	oklab(54.79% -0.1246 0.0773)
OKLCH	oklch(54.79% 0.147 148.2)
XYZ	xyz(9.9046, 17.8755, 7.0651)
Luminance	0.1788 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B873B #871B67

analogous

#31871B #1B873B #1B8771

triadic

#1B873B #3B1B87 #873B1B

tetradic

#1B873B #1B3187 #871B67 #87711B

square

#1B873B #1B3187 #871B67 #87711B

split-complementary

#1B873B #711B87 #871B31

monochromatic

#07210E #115425 #1B873B #25BA51 #43D970

Accessibility & contrast

On white

4.59

#1B873B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#1B873B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #1B873B

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B873B	#FFFFFF	#000000	##FFFFFF
##1B873B	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#887A34

Deuteranopia (green-blind)

#7C7241

Tritanopia (blue-blind)

#008476

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #1b873b;
/* rgb */ color: rgb(27, 135, 59);
/* oklch */ color: oklch(54.8% 0.147 148.2);

Tailwind

colors: {
  custom: {
    50: '#6bab73',
    500: '#1b873b',
    950: '#000000',
  },
}

SCSS

$custom: #1b873b;
$custom-light: #6bab73;
$custom-dark: #000000;

JSON

{
  "hex": "#1b873b",
  "rgb": {
    "r": 27,
    "g": 135,
    "b": 59
  },
  "hsl": {
    "h": 137.778,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.54785,
    "c": 0.14666,
    "h": 148.2
  },
  "luminance": 0.17877
}

Semantic roles & 50–950 ramp

primary

#1B873B

secondary

#BA4497

accent

#3EB7EA

background

#F6FAF7

surface

#ECF4ED

border

#C7CEC8

text

#081008

muted

#7A7F7B

Preview Lab

Preview with #1B873B

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

Preview Lab → · Contrast checker → · Palette generator →