#1B833D#1B833D

#1B833D is a mid, vivid green. Relative luminance 0.168; OKLCH L 53.7% C 0.140 H 149.2°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#1B833D
RGB	rgb(27, 131, 61)
HSL	hsl(140, 66%, 31%)
HSV	hsv(140, 79%, 51%)
CMYK	cmyk(79.4%, 0%, 53.4%, 48.6%)
CIE-LAB	lab(48.01, -44.60, 29.63)
CIE-LCH	lch(48.01, 53.54, 146.40°)
OKLab	oklab(53.69% -0.1198 0.0716)
OKLCH	oklch(53.69% 0.14 149.2)
XYZ	xyz(9.4098, 16.8014, 7.1610)
Luminance	0.1680 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B833D #831B61

analogous

#2D831B #1B833D #1B8371

triadic

#1B833D #3D1B83 #833D1B

tetradic

#1B833D #1B2D83 #831B61 #83711B

square

#1B833D #1B2D83 #831B61 #83711B

split-complementary

#1B833D #711B83 #831B2D

monochromatic

#061E0E #115025 #1B833D #25B655 #41D872

Accessibility & contrast

On white

4.82

#1B833D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#1B833D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B833D

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B833D	#FFFFFF	#000000	##FFFFFF
##1B833D	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#847737

Deuteranopia (green-blind)

#786F42

Tritanopia (blue-blind)

#008073

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #1b833d;
/* rgb */ color: rgb(27, 131, 61);
/* oklch */ color: oklch(53.7% 0.140 149.2);

Tailwind

colors: {
  custom: {
    50: '#6aa874',
    500: '#1b833d',
    950: '#000000',
  },
}

SCSS

$custom: #1b833d;
$custom-light: #6aa874;
$custom-dark: #000000;

JSON

{
  "hex": "#1b833d",
  "rgb": {
    "r": 27,
    "g": 131,
    "b": 61
  },
  "hsl": {
    "h": 139.615,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.53687,
    "c": 0.13956,
    "h": 149.2
  },
  "luminance": 0.16803
}

Semantic roles & 50–950 ramp

primary

#1B833D

secondary

#B64391

accent

#3FB1E9

background

#F6FAF7

surface

#ECF4ED

border

#C7CEC8

text

#071008

muted

#7A7F7B

Preview Lab

Preview with #1B833D

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

Preview Lab → · Contrast checker → · Palette generator →