#1B9F2F#1B9F2F

#1B9F2F is a mid, vivid green. Relative luminance 0.252; OKLCH L 61.4% C 0.185 H 144.6°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#1B9F2F
RGB	rgb(27, 159, 47)
HSL	hsl(129, 71%, 36%)
HSV	hsv(129, 83%, 62%)
CMYK	cmyk(83%, 0%, 70.4%, 37.6%)
CIE-LAB	lab(57.30, -55.97, 46.82)
CIE-LCH	lch(57.30, 72.97, 140.09°)
OKLab	oklab(61.35% -0.151 0.1073)
OKLCH	oklch(61.35% 0.185 144.6)
XYZ	xyz(13.3623, 25.2329, 6.8550)
Luminance	0.2524 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9F2F #9F1B8B

analogous

#499F1B #1B9F2F #1B9F71

triadic

#1B9F2F #2F1B9F #9F2F1B

tetradic

#1B9F2F #1B499F #9F1B8B #9F711B

square

#1B9F2F #1B499F #9F1B8B #9F711B

split-complementary

#1B9F2F #711B9F #9F1B49

monochromatic

#093610 #126B20 #1B9F2F #24D33E #53E268

Accessibility & contrast

On white

3.47

#1B9F2F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.05

#1B9F2F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9F2F

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9F2F	#FFFFFF	#000000	##000000
##1B9F2F	1.00	3.47	6.05	6.05
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.05	21.00	1.00	1.00
##000000	6.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A28F1E

Deuteranopia (green-blind)

#94863A

Tritanopia (blue-blind)

#009B89

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #1b9f2f;
/* rgb */ color: rgb(27, 159, 47);
/* oklch */ color: oklch(61.4% 0.185 144.6);

Tailwind

colors: {
  custom: {
    50: '#72bd6e',
    500: '#1b9f2f',
    950: '#000000',
  },
}

SCSS

$custom: #1b9f2f;
$custom-light: #72bd6e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9f2f",
  "rgb": {
    "r": 27,
    "g": 159,
    "b": 47
  },
  "hsl": {
    "h": 129.091,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.61354,
    "c": 0.18529,
    "h": 144.6
  },
  "luminance": 0.25235
}

Semantic roles & 50–950 ramp

primary

#1B9F2F

secondary

#C551B3

accent

#3AD3EE

background

#F7FBF6

surface

#EEF7EC

border

#C9D0C7

text

#091207

muted

#7B817A

Preview Lab

Preview with #1B9F2F

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

Preview Lab → · Contrast checker → · Palette generator →