#1B9F2D#1B9F2D

#1B9F2D is a mid, vivid green. Relative luminance 0.252; OKLCH L 61.3% C 0.187 H 144.4°. Best body text is #000000 at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#1B9F2D
RGB	rgb(27, 159, 45)
HSL	hsl(128, 71%, 36%)
HSV	hsv(128, 83%, 62%)
CMYK	cmyk(83%, 0%, 71.7%, 37.6%)
CIE-LAB	lab(57.29, -56.16, 47.60)
CIE-LCH	lch(57.29, 73.62, 139.71°)
OKLab	oklab(61.34% -0.1517 0.1087)
OKLCH	oklch(61.34% 0.187 144.4)
XYZ	xyz(13.3229, 25.2171, 6.6473)
Luminance	0.2522 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9F2D #9F1B8D

analogous

#4B9F1B #1B9F2D #1B9F6F

triadic

#1B9F2D #2D1B9F #9F2D1B

tetradic

#1B9F2D #1B4B9F #9F1B8D #9F6F1B

square

#1B9F2D #1B4B9F #9F1B8D #9F6F1B

split-complementary

#1B9F2D #6F1B9F #9F1B4B

monochromatic

#09360F #126B1E #1B9F2D #24D33C #53E266

Accessibility & contrast

On white

3.47

#1B9F2D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.04

#1B9F2D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9F2D

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9F2D	#FFFFFF	#000000	##000000
##1B9F2D	1.00	3.47	6.04	6.04
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.04	21.00	1.00	1.00
##000000	6.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A28F1B

Deuteranopia (green-blind)

#948638

Tritanopia (blue-blind)

#009B88

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #1b9f2d;
/* rgb */ color: rgb(27, 159, 45);
/* oklch */ color: oklch(61.3% 0.187 144.4);

Tailwind

colors: {
  custom: {
    50: '#72bd6d',
    500: '#1b9f2d',
    950: '#000000',
  },
}

SCSS

$custom: #1b9f2d;
$custom-light: #72bd6d;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9f2d",
  "rgb": {
    "r": 27,
    "g": 159,
    "b": 45
  },
  "hsl": {
    "h": 128.182,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.61336,
    "c": 0.1866,
    "h": 144.4
  },
  "luminance": 0.25219
}

Semantic roles & 50–950 ramp

primary

#1B9F2D

secondary

#C551B5

accent

#3AD5EE

background

#F7FBF6

surface

#EEF7EC

border

#C9D0C7

text

#091207

muted

#7B817A

Preview Lab

Preview with #1B9F2D

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

Preview Lab → · Contrast checker → · Palette generator →