#1B9E1B#1B9E1B

#1B9E1B is a mid, vivid green. Relative luminance 0.248; OKLCH L 60.9% C 0.195 H 142.7°. Best body text is #000000 at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#1B9E1B
RGB	rgb(27, 158, 27)
HSL	hsl(120, 71%, 36%)
HSV	hsv(120, 83%, 62%)
CMYK	cmyk(82.9%, 0%, 82.9%, 38%)
CIE-LAB	lab(56.84, -57.19, 53.32)
CIE-LCH	lch(56.84, 78.19, 137.01°)
OKLab	oklab(60.93% -0.1552 0.1182)
OKLCH	oklch(60.93% 0.195 142.7)
XYZ	xyz(12.8759, 24.7643, 5.1381)
Luminance	0.2477 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9E1B #9E1B9E

analogous

#5D9E1B #1B9E1B #1B9E5D

triadic

#1B9E1B #1B1B9E #9E1B1B

tetradic

#1B9E1B #1B5D9E #9E1B9E #9E5D1B

square

#1B9E1B #1B5D9E #9E1B9E #9E5D1B

split-complementary

#1B9E1B #5D1B9E #9E1B5D

monochromatic

#093509 #126A12 #1B9E1B #24D224 #52E152

Accessibility & contrast

On white

3.53

#1B9E1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.95

#1B9E1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9E1B

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9E1B	#FFFFFF	#000000	##000000
##1B9E1B	1.00	3.53	5.95	5.95
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.95	21.00	1.00	1.00
##000000	5.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A28E00

Deuteranopia (green-blind)

#94852C

Tritanopia (blue-blind)

#009986

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #1b9e1b;
/* rgb */ color: rgb(27, 158, 27);
/* oklch */ color: oklch(60.9% 0.195 142.7);

Tailwind

colors: {
  custom: {
    50: '#73bc64',
    500: '#1b9e1b',
    950: '#000000',
  },
}

SCSS

$custom: #1b9e1b;
$custom-light: #73bc64;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9e1b",
  "rgb": {
    "r": 27,
    "g": 158,
    "b": 27
  },
  "hsl": {
    "h": 120,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.60935,
    "c": 0.19512,
    "h": 142.7
  },
  "luminance": 0.24766
}

Semantic roles & 50–950 ramp

primary

#1B9E1B

secondary

#C451C4

accent

#3AEEEE

background

#F7FBF6

surface

#EEF6EB

border

#C9D0C6

text

#0A1206

muted

#7C817A

Preview Lab

Preview with #1B9E1B

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

Preview Lab → · Contrast checker → · Palette generator →