#1B9F34#1B9F34

#1B9F34 is a mid, vivid green. Relative luminance 0.253; OKLCH L 61.4% C 0.182 H 145.3°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#1B9F34
RGB	rgb(27, 159, 52)
HSL	hsl(131, 71%, 36%)
HSV	hsv(131, 83%, 62%)
CMYK	cmyk(83%, 0%, 67.3%, 37.6%)
CIE-LAB	lab(57.34, -55.46, 44.77)
CIE-LCH	lch(57.34, 71.27, 141.08°)
OKLab	oklab(61.4% -0.1495 0.1036)
OKLCH	oklch(61.4% 0.182 145.3)
XYZ	xyz(13.4690, 25.2756, 7.4170)
Luminance	0.2528 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9F34 #9F1B86

analogous

#449F1B #1B9F34 #1B9F76

triadic

#1B9F34 #341B9F #9F341B

tetradic

#1B9F34 #1B449F #9F1B86 #9F761B

square

#1B9F34 #1B449F #9F1B86 #9F761B

split-complementary

#1B9F34 #761B9F #9F1B44

monochromatic

#093612 #126B23 #1B9F34 #24D345 #53E26E

Accessibility & contrast

On white

3.47

#1B9F34 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.06

#1B9F34 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9F34

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9F34	#FFFFFF	#000000	##000000
##1B9F34	1.00	3.47	6.06	6.06
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.06	21.00	1.00	1.00
##000000	6.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A29026

Deuteranopia (green-blind)

#94863E

Tritanopia (blue-blind)

#009B89

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #1b9f34;
/* rgb */ color: rgb(27, 159, 52);
/* oklch */ color: oklch(61.4% 0.182 145.3);

Tailwind

colors: {
  custom: {
    50: '#72bd70',
    500: '#1b9f34',
    950: '#000000',
  },
}

SCSS

$custom: #1b9f34;
$custom-light: #72bd70;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9f34",
  "rgb": {
    "r": 27,
    "g": 159,
    "b": 52
  },
  "hsl": {
    "h": 131.364,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.61402,
    "c": 0.18184,
    "h": 145.3
  },
  "luminance": 0.25277
}

Semantic roles & 50–950 ramp

primary

#1B9F34

secondary

#C551AF

accent

#3ACCEE

background

#F7FBF7

surface

#EEF7ED

border

#C9D0C8

text

#091208

muted

#7B817B

Preview Lab

Preview with #1B9F34

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

Preview Lab → · Contrast checker → · Palette generator →