#1F8B1B#1F8B1B

#1F8B1B is a mid, vivid green. Relative luminance 0.188; OKLCH L 55.7% C 0.173 H 142.4°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#1F8B1B
RGB	rgb(31, 139, 27)
HSL	hsl(118, 67%, 33%)
HSV	hsv(118, 81%, 55%)
CMYK	cmyk(77.7%, 0%, 80.6%, 45.5%)
CIE-LAB	lab(50.49, -50.61, 47.36)
CIE-LCH	lch(50.49, 69.31, 136.90°)
OKLab	oklab(55.67% -0.1375 0.1058)
OKLCH	oklch(55.67% 0.174 142.4)
XYZ	xyz(9.9949, 18.8345, 4.1454)
Luminance	0.1884 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F8B1B #871B8B

analogous

#578B1B #1F8B1B #1B8B4F

triadic

#1F8B1B #1B1F8B #8B1B1F

tetradic

#1F8B1B #1B578B #871B8B #8B4F1B

square

#1F8B1B #1B578B #871B8B #8B4F1B

split-complementary

#1F8B1B #4F1B8B #8B1B57

monochromatic

#082507 #145811 #1F8B1B #2ABE25 #4BDB45

Accessibility & contrast

On white

4.41

#1F8B1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#1F8B1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F8B1B

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F8B1B	#FFFFFF	#000000	##000000
##1F8B1B	1.00	4.41	4.77	4.77
#FFFFFF	4.41	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)

#827528

Tritanopia (blue-blind)

#008776

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1f8b1b;
/* rgb */ color: rgb(31, 139, 27);
/* oklch */ color: oklch(55.7% 0.173 142.4);

Tailwind

colors: {
  custom: {
    50: '#6fae61',
    500: '#1f8b1b',
    950: '#000000',
  },
}

SCSS

$custom: #1f8b1b;
$custom-light: #6fae61;
$custom-dark: #000000;

JSON

{
  "hex": "#1f8b1b",
  "rgb": {
    "r": 31,
    "g": 139,
    "b": 27
  },
  "hsl": {
    "h": 117.857,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.55667,
    "c": 0.1735,
    "h": 142.4
  },
  "luminance": 0.18836
}

Semantic roles & 50–950 ramp

primary

#1F8B1B

secondary

#B845BC

accent

#3DEAE4

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#091005

muted

#7B7F7A

Preview Lab

Preview with #1F8B1B

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

Preview Lab → · Contrast checker → · Palette generator →