#1B871F#1B871F

#1B871F is a mid, vivid green. Relative luminance 0.177; OKLCH L 54.5% C 0.168 H 143.2°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#1B871F
RGB	rgb(27, 135, 31)
HSL	hsl(122, 67%, 32%)
HSV	hsv(122, 80%, 53%)
CMYK	cmyk(80%, 0%, 77%, 47.1%)
CIE-LAB	lab(49.08, -49.60, 44.57)
CIE-LCH	lch(49.08, 66.68, 138.06°)
OKLab	oklab(54.48% -0.1344 0.1005)
OKLCH	oklch(54.48% 0.168 143.2)
XYZ	xyz(9.3627, 17.6588, 4.2111)
Luminance	0.1766 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B871F #871B83

analogous

#4D871B #1B871F #1B8755

triadic

#1B871F #1F1B87 #871F1B

tetradic

#1B871F #1B4D87 #871B83 #87551B

square

#1B871F #1B4D87 #871B83 #87551B

split-complementary

#1B871F #551B87 #871B4D

monochromatic

#072108 #115413 #1B871F #25BA2B #43D949

Accessibility & contrast

On white

4.63

#1B871F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#1B871F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #1B871F

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B871F	#FFFFFF	#000000	##FFFFFF
##1B871F	1.00	4.63	4.53	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A7A09

Deuteranopia (green-blind)

#7E712A

Tritanopia (blue-blind)

#008373

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #1b871f;
/* rgb */ color: rgb(27, 135, 31);
/* oklch */ color: oklch(54.5% 0.168 143.2);

Tailwind

colors: {
  custom: {
    50: '#6cab62',
    500: '#1b871f',
    950: '#000000',
  },
}

SCSS

$custom: #1b871f;
$custom-light: #6cab62;
$custom-dark: #000000;

JSON

{
  "hex": "#1b871f",
  "rgb": {
    "r": 27,
    "g": 135,
    "b": 31
  },
  "hsl": {
    "h": 122.222,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.54479,
    "c": 0.16786,
    "h": 143.2
  },
  "luminance": 0.1766
}

Semantic roles & 50–950 ramp

primary

#1B871F

secondary

#BA44B6

accent

#3EE3EA

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#081005

muted

#7B7F7A

Preview Lab

Preview with #1B871F

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

Preview Lab → · Contrast checker → · Palette generator →