#1F5B11#1F5B11

#1F5B11 is a dark, vivid green. Relative luminance 0.078; OKLCH L 41.6% C 0.121 H 140.4°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#1F5B11
RGB	rgb(31, 91, 17)
HSL	hsl(109, 69%, 21%)
HSV	hsv(109, 81%, 36%)
CMYK	cmyk(65.9%, 0%, 81.3%, 64.3%)
CIE-LAB	lab(33.59, -34.13, 34.50)
CIE-LCH	lch(33.59, 48.53, 134.69°)
OKLab	oklab(41.63% -0.0935 0.0774)
OKLCH	oklch(41.63% 0.121 140.4)
XYZ	xyz(4.4071, 7.8135, 1.8061)
Luminance	0.0781 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5B11 #4D115B

analogous

#445B11 #1F5B11 #115B28

triadic

#1F5B11 #111F5B #5B111F

tetradic

#1F5B11 #11445B #4D115B #5B2811

square

#1F5B11 #11445B #4D115B #5B2811

split-complementary

#1F5B11 #28115B #5B1144

monochromatic

#091A05 #0D2707 #1F5B11 #318F1B #42C224

Accessibility & contrast

On white

8.19

#1F5B11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#1F5B11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5B11

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5B11	#FFFFFF	#000000	##FFFFFF
##1F5B11	1.00	8.19	2.56	8.19
#FFFFFF	8.19	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5203

Deuteranopia (green-blind)

#564D19

Tritanopia (blue-blind)

#16584D

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1f5b11;
/* rgb */ color: rgb(31, 91, 17);
/* oklch */ color: oklch(41.6% 0.121 140.4);

Tailwind

colors: {
  custom: {
    50: '#648a55',
    500: '#1f5b11',
    950: '#000000',
  },
}

SCSS

$custom: #1f5b11;
$custom-light: #648a55;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5b11",
  "rgb": {
    "r": 31,
    "g": 91,
    "b": 17
  },
  "hsl": {
    "h": 108.649,
    "s": 68.519,
    "l": 21.176
  },
  "oklch": {
    "l": 0.41626,
    "c": 0.12143,
    "h": 140.4
  },
  "luminance": 0.07814
}

Semantic roles & 50–950 ramp

primary

#1F5B11

secondary

#823494

accent

#3CEBCA

background

#F6F8F5

surface

#EBF0E9

border

#C6CBC5

text

#060C03

muted

#7A7D78

Preview Lab

Preview with #1F5B11

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

Preview Lab → · Contrast checker → · Palette generator →