#1F822B#1F822B

#1F822B is a mid, vivid green. Relative luminance 0.164; OKLCH L 53.2% C 0.153 H 144.7°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#1F822B
RGB	rgb(31, 130, 43)
HSL	hsl(127, 61%, 32%)
HSV	hsv(127, 76%, 51%)
CMYK	cmyk(76.2%, 0%, 66.9%, 49%)
CIE-LAB	lab(47.53, -46.10, 38.00)
CIE-LCH	lch(47.53, 59.74, 140.50°)
OKLab	oklab(53.25% -0.1246 0.0882)
OKLCH	oklch(53.25% 0.153 144.7)
XYZ	xyz(8.9831, 16.4300, 4.9829)
Luminance	0.1643 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F822B #821F76

analogous

#45821F #1F822B #1F825D

triadic

#1F822B #2B1F82 #822B1F

tetradic

#1F822B #1F4582 #821F76 #825D1F

square

#1F822B #1F4582 #821F76 #825D1F

split-complementary

#1F822B #5D1F82 #821F45

monochromatic

#071F0A #13511B #1F822B #2BB33B #48D359

Accessibility & contrast

On white

4.90

#1F822B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#1F822B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F822B

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F822B	#FFFFFF	#000000	##FFFFFF
##1F822B	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#847520

Deuteranopia (green-blind)

#796E33

Tritanopia (blue-blind)

#007E70

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #1f822b;
/* rgb */ color: rgb(31, 130, 43);
/* oklch */ color: oklch(53.2% 0.153 144.7);

Tailwind

colors: {
  custom: {
    50: '#6ca768',
    500: '#1f822b',
    950: '#000000',
  },
}

SCSS

$custom: #1f822b;
$custom-light: #6ca768;
$custom-dark: #000000;

JSON

{
  "hex": "#1f822b",
  "rgb": {
    "r": 31,
    "g": 130,
    "b": 43
  },
  "hsl": {
    "h": 127.273,
    "s": 61.491,
    "l": 31.569
  },
  "oklch": {
    "l": 0.53247,
    "c": 0.15265,
    "h": 144.7
  },
  "luminance": 0.16431
}

Semantic roles & 50–950 ramp

primary

#1F822B

secondary

#B548A8

accent

#43D1E5

background

#F6FAF6

surface

#ECF4EB

border

#C7CEC6

text

#081006

muted

#7A7F7A

Preview Lab

Preview with #1F822B

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

Preview Lab → · Contrast checker → · Palette generator →