#1B9F4C#1B9F4C

#1B9F4C is a mid, vivid green. Relative luminance 0.256; OKLCH L 61.7% C 0.162 H 149.8°. Best body text is #000000 at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#1B9F4C
RGB	rgb(27, 159, 76)
HSL	hsl(142, 71%, 36%)
HSV	hsv(142, 83%, 62%)
CMYK	cmyk(83%, 0%, 52.2%, 37.6%)
CIE-LAB	lab(57.61, -52.25, 33.70)
CIE-LCH	lch(57.61, 62.18, 147.18°)
OKLab	oklab(61.71% -0.1402 0.0815)
OKLCH	oklch(61.71% 0.162 149.8)
XYZ	xyz(14.1534, 25.5493, 11.0216)
Luminance	0.2555 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9F4C #9F1B6E

analogous

#2C9F1B #1B9F4C #1B9F8E

triadic

#1B9F4C #4C1B9F #9F4C1B

tetradic

#1B9F4C #1B2C9F #9F1B6E #9F8E1B

square

#1B9F4C #1B2C9F #9F1B6E #9F8E1B

split-complementary

#1B9F4C #8E1B9F #9F1B2C

monochromatic

#09361A #126B33 #1B9F4C #24D365 #53E288

Accessibility & contrast

On white

3.44

#1B9F4C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.11

#1B9F4C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9F4C

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9F4C	#FFFFFF	#000000	##000000
##1B9F4C	1.00	3.44	6.11	6.11
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.11	21.00	1.00	1.00
##000000	6.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A09145

Deuteranopia (green-blind)

#928652

Tritanopia (blue-blind)

#009C8C

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #1b9f4c;
/* rgb */ color: rgb(27, 159, 76);
/* oklch */ color: oklch(61.7% 0.162 149.8);

Tailwind

colors: {
  custom: {
    50: '#71bd80',
    500: '#1b9f4c',
    950: '#000000',
  },
}

SCSS

$custom: #1b9f4c;
$custom-light: #71bd80;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9f4c",
  "rgb": {
    "r": 27,
    "g": 159,
    "b": 76
  },
  "hsl": {
    "h": 142.273,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.61706,
    "c": 0.16217,
    "h": 149.8
  },
  "luminance": 0.25551
}

Semantic roles & 50–950 ramp

primary

#1B9F4C

secondary

#C5519A

accent

#3AABEE

background

#F7FBF7

surface

#EDF7EE

border

#C8D0C9

text

#09120A

muted

#7B817C

Preview Lab

Preview with #1B9F4C

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

Preview Lab → · Contrast checker → · Palette generator →