#1B8B1F#1B8B1F

#1B8B1F is a mid, vivid green. Relative luminance 0.188; OKLCH L 55.6% C 0.172 H 143.2°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#1B8B1F
RGB	rgb(27, 139, 31)
HSL	hsl(122, 67%, 33%)
HSV	hsv(122, 81%, 55%)
CMYK	cmyk(80.6%, 0%, 77.7%, 45.5%)
CIE-LAB	lab(50.45, -50.91, 45.93)
CIE-LCH	lch(50.45, 68.57, 137.94°)
OKLab	oklab(55.62% -0.138 0.1034)
OKLCH	oklch(55.62% 0.172 143.2)
XYZ	xyz(9.9313, 18.7960, 4.4006)
Luminance	0.1880 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8B1F #8B1B87

analogous

#4F8B1B #1B8B1F #1B8B57

triadic

#1B8B1F #1F1B8B #8B1F1B

tetradic

#1B8B1F #1B4F8B #8B1B87 #8B571B

square

#1B8B1F #1B4F8B #8B1B87 #8B571B

split-complementary

#1B8B1F #571B8B #8B1B4F

monochromatic

#072508 #115814 #1B8B1F #25BE2A #45DB4B

Accessibility & contrast

On white

4.41

#1B8B1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#1B8B1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8B1F

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8B1F	#FFFFFF	#000000	##000000
##1B8B1F	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7D06

Deuteranopia (green-blind)

#82752B

Tritanopia (blue-blind)

#008776

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1b8b1f;
/* rgb */ color: rgb(27, 139, 31);
/* oklch */ color: oklch(55.6% 0.172 143.2);

Tailwind

colors: {
  custom: {
    50: '#6dae63',
    500: '#1b8b1f',
    950: '#000000',
  },
}

SCSS

$custom: #1b8b1f;
$custom-light: #6dae63;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8b1f",
  "rgb": {
    "r": 27,
    "g": 139,
    "b": 31
  },
  "hsl": {
    "h": 122.143,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.55617,
    "c": 0.17242,
    "h": 143.2
  },
  "luminance": 0.18797
}

Semantic roles & 50–950 ramp

primary

#1B8B1F

secondary

#BC45B8

accent

#3DE4EA

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#081006

muted

#7B7F7A

Preview Lab

Preview with #1B8B1F

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

Preview Lab → · Contrast checker → · Palette generator →