#1F5B10#1F5B10

#1F5B10 is a dark, vivid green. Relative luminance 0.078; OKLCH L 41.6% C 0.122 H 140.2°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#1F5B10
RGB	rgb(31, 91, 16)
HSL	hsl(108, 70%, 21%)
HSV	hsv(108, 82%, 36%)
CMYK	cmyk(65.9%, 0%, 82.4%, 64.3%)
CIE-LAB	lab(33.59, -34.20, 34.87)
CIE-LCH	lch(33.59, 48.84, 134.45°)
OKLab	oklab(41.62% -0.0938 0.078)
OKLCH	oklch(41.62% 0.122 140.2)
XYZ	xyz(4.3995, 7.8105, 1.7658)
Luminance	0.0781 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5B10 #4C105B

analogous

#445B10 #1F5B10 #105B26

triadic

#1F5B10 #101F5B #5B101F

tetradic

#1F5B10 #10445B #4C105B #5B2610

square

#1F5B10 #10445B #4C105B #5B2610

split-complementary

#1F5B10 #26105B #5B1044

monochromatic

#091A05 #0D2707 #1F5B10 #318F19 #42C322

Accessibility & contrast

On white

8.20

#1F5B10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#1F5B10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5B10

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5B10	#FFFFFF	#000000	##FFFFFF
##1F5B10	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5201

Deuteranopia (green-blind)

#564D18

Tritanopia (blue-blind)

#16584D

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1f5b10;
/* rgb */ color: rgb(31, 91, 16);
/* oklch */ color: oklch(41.6% 0.122 140.2);

Tailwind

colors: {
  custom: {
    50: '#648a55',
    500: '#1f5b10',
    950: '#000000',
  },
}

SCSS

$custom: #1f5b10;
$custom-light: #648a55;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5b10",
  "rgb": {
    "r": 31,
    "g": 91,
    "b": 16
  },
  "hsl": {
    "h": 108,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.41618,
    "c": 0.12203,
    "h": 140.2
  },
  "luminance": 0.07811
}

Semantic roles & 50–950 ramp

primary

#1F5B10

secondary

#813394

accent

#3BEDC9

background

#F6F8F5

surface

#EBF0E9

border

#C6CBC5

text

#060C03

muted

#7A7D78

Preview Lab

Preview with #1F5B10

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

Preview Lab → · Contrast checker → · Palette generator →