#1B823F#1B823F

#1B823F is a mid, vivid green. Relative luminance 0.166; OKLCH L 53.4% C 0.136 H 149.9°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#1B823F
RGB	rgb(27, 130, 63)
HSL	hsl(141, 66%, 31%)
HSV	hsv(141, 79%, 51%)
CMYK	cmyk(79.2%, 0%, 51.5%, 49%)
CIE-LAB	lab(47.70, -43.89, 28.18)
CIE-LCH	lch(47.70, 52.16, 147.30°)
OKLab	oklab(53.44% -0.1179 0.0684)
OKLCH	oklch(53.44% 0.136 149.9)
XYZ	xyz(9.3310, 16.5560, 7.4055)
Luminance	0.1656 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B823F #821B5E

analogous

#2A821B #1B823F #1B8272

triadic

#1B823F #3F1B82 #823F1B

tetradic

#1B823F #1B2A82 #821B5E #82721B

square

#1B823F #1B2A82 #821B5E #82721B

split-complementary

#1B823F #721B82 #821B2A

monochromatic

#061D0E #104F26 #1B823F #26B558 #40D775

Accessibility & contrast

On white

4.87

#1B823F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#1B823F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B823F

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B823F	#FFFFFF	#000000	##FFFFFF
##1B823F	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#837639

Deuteranopia (green-blind)

#776E44

Tritanopia (blue-blind)

#008072

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #1b823f;
/* rgb */ color: rgb(27, 130, 63);
/* oklch */ color: oklch(53.4% 0.136 149.9);

Tailwind

colors: {
  custom: {
    50: '#69a775',
    500: '#1b823f',
    950: '#000000',
  },
}

SCSS

$custom: #1b823f;
$custom-light: #69a775;
$custom-dark: #000000;

JSON

{
  "hex": "#1b823f",
  "rgb": {
    "r": 27,
    "g": 130,
    "b": 63
  },
  "hsl": {
    "h": 140.971,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.53436,
    "c": 0.13634,
    "h": 149.9
  },
  "luminance": 0.16557
}

Semantic roles & 50–950 ramp

primary

#1B823F

secondary

#B6438E

accent

#3FADE9

background

#F6FAF7

surface

#ECF4ED

border

#C7CEC8

text

#071008

muted

#7A7F7B

Preview Lab

Preview with #1B823F

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

Preview Lab → · Contrast checker → · Palette generator →