#1B9F3A#1B9F3A

#1B9F3A is a mid, vivid green. Relative luminance 0.253; OKLCH L 61.5% C 0.177 H 146.2°. Best body text is #000000 at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#1B9F3A
RGB	rgb(27, 159, 58)
HSL	hsl(134, 71%, 36%)
HSV	hsv(134, 83%, 62%)
CMYK	cmyk(83%, 0%, 63.5%, 37.6%)
CIE-LAB	lab(57.40, -54.77, 42.18)
CIE-LCH	lch(57.40, 69.13, 142.40°)
OKLab	oklab(61.47% -0.1474 0.0987)
OKLCH	oklch(61.47% 0.177 146.2)
XYZ	xyz(13.6128, 25.3331, 8.1745)
Luminance	0.2534 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9F3A #9F1B80

analogous

#3E9F1B #1B9F3A #1B9F7C

triadic

#1B9F3A #3A1B9F #9F3A1B

tetradic

#1B9F3A #1B3E9F #9F1B80 #9F7C1B

square

#1B9F3A #1B3E9F #9F1B80 #9F7C1B

split-complementary

#1B9F3A #7C1B9F #9F1B3E

monochromatic

#093614 #126B27 #1B9F3A #24D34D #53E274

Accessibility & contrast

On white

3.46

#1B9F3A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.07

#1B9F3A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9F3A

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9F3A	#FFFFFF	#000000	##000000
##1B9F3A	1.00	3.46	6.07	6.07
#FFFFFF	3.46	1.00	21.00	21.00
#000000	6.07	21.00	1.00	1.00
##000000	6.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1902E

Deuteranopia (green-blind)

#938643

Tritanopia (blue-blind)

#009B8A

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #1b9f3a;
/* rgb */ color: rgb(27, 159, 58);
/* oklch */ color: oklch(61.5% 0.177 146.2);

Tailwind

colors: {
  custom: {
    50: '#71bd74',
    500: '#1b9f3a',
    950: '#000000',
  },
}

SCSS

$custom: #1b9f3a;
$custom-light: #71bd74;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9f3a",
  "rgb": {
    "r": 27,
    "g": 159,
    "b": 58
  },
  "hsl": {
    "h": 134.091,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.61466,
    "c": 0.17736,
    "h": 146.2
  },
  "luminance": 0.25335
}

Semantic roles & 50–950 ramp

primary

#1B9F3A

secondary

#C551A9

accent

#3AC4EE

background

#F7FBF7

surface

#EDF7ED

border

#C8D0C8

text

#091208

muted

#7B817B

Preview Lab

Preview with #1B9F3A

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

Preview Lab → · Contrast checker → · Palette generator →