#1B9D2B#1B9D2B

#1B9D2B is a mid, vivid green. Relative luminance 0.245; OKLCH L 60.8% C 0.186 H 144.2°. Best body text is #000000 at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#1B9D2B
RGB	rgb(27, 157, 43)
HSL	hsl(127, 71%, 36%)
HSV	hsv(127, 83%, 62%)
CMYK	cmyk(82.8%, 0%, 72.6%, 38.4%)
CIE-LAB	lab(56.60, -55.70, 47.68)
CIE-LCH	lch(56.60, 73.32, 139.44°)
OKLab	oklab(60.76% -0.1505 0.1086)
OKLCH	oklch(60.76% 0.186 144.2)
XYZ	xyz(12.9441, 24.5198, 6.3356)
Luminance	0.2452 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9D2B #9D1B8D

analogous

#4C9D1B #1B9D2B #1B9D6C

triadic

#1B9D2B #2B1B9D #9D2B1B

tetradic

#1B9D2B #1B4C9D #9D1B8D #9D6C1B

square

#1B9D2B #1B4C9D #9D1B8D #9D6C1B

split-complementary

#1B9D2B #6C1B9D #9D1B4C

monochromatic

#09350E #12691D #1B9D2B #24D139 #51E163

Accessibility & contrast

On white

3.56

#1B9D2B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.90

#1B9D2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9D2B

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9D2B	#FFFFFF	#000000	##000000
##1B9D2B	1.00	3.56	5.90	5.90
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.90	21.00	1.00	1.00
##000000	5.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A08E18

Deuteranopia (green-blind)

#928437

Tritanopia (blue-blind)

#009987

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #1b9d2b;
/* rgb */ color: rgb(27, 157, 43);
/* oklch */ color: oklch(60.8% 0.186 144.2);

Tailwind

colors: {
  custom: {
    50: '#71bb6b',
    500: '#1b9d2b',
    950: '#000000',
  },
}

SCSS

$custom: #1b9d2b;
$custom-light: #71bb6b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9d2b",
  "rgb": {
    "r": 27,
    "g": 157,
    "b": 43
  },
  "hsl": {
    "h": 127.385,
    "s": 70.652,
    "l": 36.078
  },
  "oklch": {
    "l": 0.60764,
    "c": 0.18561,
    "h": 144.2
  },
  "luminance": 0.24521
}

Semantic roles & 50–950 ramp

primary

#1B9D2B

secondary

#C450B6

accent

#3AD7ED

background

#F7FBF6

surface

#EEF6EC

border

#C9D0C7

text

#091207

muted

#7B817A

Preview Lab

Preview with #1B9D2B

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

Preview Lab → · Contrast checker → · Palette generator →