#1B843F#1B843F

#1B843F is a mid, vivid green. Relative luminance 0.171; OKLCH L 54.0% C 0.139 H 149.6°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#1B843F
RGB	rgb(27, 132, 63)
HSL	hsl(141, 66%, 31%)
HSV	hsv(141, 80%, 52%)
CMYK	cmyk(79.5%, 0%, 52.3%, 48.2%)
CIE-LAB	lab(48.38, -44.64, 29.03)
CIE-LCH	lch(48.38, 53.25, 146.96°)
OKLab	oklab(54% -0.1199 0.0703)
OKLCH	oklch(54% 0.139 149.6)
XYZ	xyz(9.5997, 17.0933, 7.4951)
Luminance	0.1709 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B843F #841B60

analogous

#2B841B #1B843F #1B8473

triadic

#1B843F #3F1B84 #843F1B

tetradic

#1B843F #1B2B84 #841B60 #84731B

square

#1B843F #1B2B84 #841B60 #84731B

split-complementary

#1B843F #731B84 #841B2B

monochromatic

#061E0F #115127 #1B843F #25B757 #41D875

Accessibility & contrast

On white

4.75

#1B843F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#1B843F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B843F

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B843F	#FFFFFF	#000000	##FFFFFF
##1B843F	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#857839

Deuteranopia (green-blind)

#797044

Tritanopia (blue-blind)

#008174

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #1b843f;
/* rgb */ color: rgb(27, 132, 63);
/* oklch */ color: oklch(54.0% 0.139 149.6);

Tailwind

colors: {
  custom: {
    50: '#6aa975',
    500: '#1b843f',
    950: '#000000',
  },
}

SCSS

$custom: #1b843f;
$custom-light: #6aa975;
$custom-dark: #000000;

JSON

{
  "hex": "#1b843f",
  "rgb": {
    "r": 27,
    "g": 132,
    "b": 63
  },
  "hsl": {
    "h": 140.571,
    "s": 66.038,
    "l": 31.176
  },
  "oklch": {
    "l": 0.54001,
    "c": 0.13902,
    "h": 149.6
  },
  "luminance": 0.17094
}

Semantic roles & 50–950 ramp

primary

#1B843F

secondary

#B74390

accent

#3FAFE9

background

#F6FAF7

surface

#ECF4ED

border

#C7CEC8

text

#071008

muted

#7A7F7B

Preview Lab

Preview with #1B843F

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

Preview Lab → · Contrast checker → · Palette generator →