#1F8B1C#1F8B1C

#1F8B1C is a mid, vivid green. Relative luminance 0.188; OKLCH L 55.7% C 0.173 H 142.5°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#1F8B1C
RGB	rgb(31, 139, 28)
HSL	hsl(118, 66%, 33%)
HSV	hsv(118, 80%, 55%)
CMYK	cmyk(77.7%, 0%, 79.9%, 45.5%)
CIE-LAB	lab(50.50, -50.54, 47.04)
CIE-LCH	lch(50.50, 69.04, 137.05°)
OKLab	oklab(55.67% -0.1373 0.1052)
OKLCH	oklch(55.67% 0.173 142.5)
XYZ	xyz(10.0067, 18.8392, 4.2073)
Luminance	0.1884 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F8B1C #881C8B

analogous

#578B1C #1F8B1C #1C8B50

triadic

#1F8B1C #1C1F8B #8B1C1F

tetradic

#1F8B1C #1C578B #881C8B #8B501C

square

#1F8B1C #1C578B #881C8B #8B501C

split-complementary

#1F8B1C #501C8B #8B1C57

monochromatic

#082507 #145812 #1F8B1C #2ABE26 #4BDA47

Accessibility & contrast

On white

4.40

#1F8B1C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#1F8B1C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F8B1C

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F8B1C	#FFFFFF	#000000	##000000
##1F8B1C	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7D00

Deuteranopia (green-blind)

#827529

Tritanopia (blue-blind)

#008776

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1f8b1c;
/* rgb */ color: rgb(31, 139, 28);
/* oklch */ color: oklch(55.7% 0.173 142.5);

Tailwind

colors: {
  custom: {
    50: '#6fae61',
    500: '#1f8b1c',
    950: '#000000',
  },
}

SCSS

$custom: #1f8b1c;
$custom-light: #6fae61;
$custom-dark: #000000;

JSON

{
  "hex": "#1f8b1c",
  "rgb": {
    "r": 31,
    "g": 139,
    "b": 28
  },
  "hsl": {
    "h": 118.378,
    "s": 66.467,
    "l": 32.745
  },
  "oklch": {
    "l": 0.55674,
    "c": 0.173,
    "h": 142.5
  },
  "luminance": 0.1884
}

Semantic roles & 50–950 ramp

primary

#1F8B1C

secondary

#B947BC

accent

#3EE9E5

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#091005

muted

#7B7F7A

Preview Lab

Preview with #1F8B1C

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

Preview Lab → · Contrast checker → · Palette generator →