#1B833C#1B833C

#1B833C is a mid, vivid green. Relative luminance 0.168; OKLCH L 53.7% C 0.140 H 148.9°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#1B833C
RGB	rgb(27, 131, 60)
HSL	hsl(139, 66%, 31%)
HSV	hsv(139, 79%, 51%)
CMYK	cmyk(79.4%, 0%, 54.2%, 48.6%)
CIE-LAB	lab(48.00, -44.76, 30.14)
CIE-LCH	lch(48.00, 53.96, 146.04°)
OKLab	oklab(53.67% -0.1203 0.0726)
OKLCH	oklch(53.67% 0.14 148.9)
XYZ	xyz(9.3831, 16.7907, 7.0205)
Luminance	0.1679 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B833C #831B62

analogous

#2E831B #1B833C #1B8370

triadic

#1B833C #3C1B83 #833C1B

tetradic

#1B833C #1B2E83 #831B62 #83701B

square

#1B833C #1B2E83 #831B62 #83701B

split-complementary

#1B833C #701B83 #831B2E

monochromatic

#061E0E #115025 #1B833C #25B653 #41D871

Accessibility & contrast

On white

4.82

#1B833C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#1B833C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B833C

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B833C	#FFFFFF	#000000	##FFFFFF
##1B833C	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)

#847736

Deuteranopia (green-blind)

#786F41

Tritanopia (blue-blind)

#008073

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #1b833c;
/* rgb */ color: rgb(27, 131, 60);
/* oklch */ color: oklch(53.7% 0.140 148.9);

Tailwind

colors: {
  custom: {
    50: '#6aa873',
    500: '#1b833c',
    950: '#000000',
  },
}

SCSS

$custom: #1b833c;
$custom-light: #6aa873;
$custom-dark: #000000;

JSON

{
  "hex": "#1b833c",
  "rgb": {
    "r": 27,
    "g": 131,
    "b": 60
  },
  "hsl": {
    "h": 139.038,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.53671,
    "c": 0.14049,
    "h": 148.9
  },
  "luminance": 0.16792
}

Semantic roles & 50–950 ramp

primary

#1B833C

secondary

#B64392

accent

#3FB3E9

background

#F6FAF7

surface

#ECF4ED

border

#C7CEC8

text

#071008

muted

#7A7F7B

Preview Lab

Preview with #1B833C

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

Preview Lab → · Contrast checker → · Palette generator →