#1B8B3C#1B8B3C

#1B8B3C is a mid, vivid green. Relative luminance 0.190; OKLCH L 55.9% C 0.151 H 148.0°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#1B8B3C
RGB	rgb(27, 139, 60)
HSL	hsl(138, 67%, 33%)
HSV	hsv(138, 81%, 55%)
CMYK	cmyk(80.6%, 0%, 56.8%, 45.5%)
CIE-LAB	lab(50.71, -47.65, 33.43)
CIE-LCH	lch(50.71, 58.21, 144.95°)
OKLab	oklab(55.92% -0.128 0.0799)
OKLCH	oklch(55.92% 0.151 148)
XYZ	xyz(10.4994, 19.0232, 7.3926)
Luminance	0.1902 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8B3C #8B1B6A

analogous

#328B1B #1B8B3C #1B8B74

triadic

#1B8B3C #3C1B8B #8B3C1B

tetradic

#1B8B3C #1B328B #8B1B6A #8B741B

square

#1B8B3C #1B328B #8B1B6A #8B741B

split-complementary

#1B8B3C #741B8B #8B1B32

monochromatic

#072510 #115826 #1B8B3C #25BE52 #45DB71

Accessibility & contrast

On white

4.37

#1B8B3C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#1B8B3C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8B3C

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8B3C	#FFFFFF	#000000	##000000
##1B8B3C	1.00	4.37	4.80	4.80
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7E35

Deuteranopia (green-blind)

#807542

Tritanopia (blue-blind)

#008879

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #1b8b3c;
/* rgb */ color: rgb(27, 139, 60);
/* oklch */ color: oklch(55.9% 0.151 148.0);

Tailwind

colors: {
  custom: {
    50: '#6cae74',
    500: '#1b8b3c',
    950: '#000000',
  },
}

SCSS

$custom: #1b8b3c;
$custom-light: #6cae74;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8b3c",
  "rgb": {
    "r": 27,
    "g": 139,
    "b": 60
  },
  "hsl": {
    "h": 137.679,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.55924,
    "c": 0.15094,
    "h": 148
  },
  "luminance": 0.19024
}

Semantic roles & 50–950 ramp

primary

#1B8B3C

secondary

#BC4599

accent

#3DB7EA

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081008

muted

#7B7F7B

Preview Lab

Preview with #1B8B3C

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

Preview Lab → · Contrast checker → · Palette generator →