#1B9F3F#1B9F3F

#1B9F3F is a mid, vivid green. Relative luminance 0.254; OKLCH L 61.5% C 0.173 H 147.1°. Best body text is #000000 at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#1B9F3F
RGB	rgb(27, 159, 63)
HSL	hsl(136, 71%, 36%)
HSV	hsv(136, 83%, 62%)
CMYK	cmyk(83%, 0%, 60.4%, 37.6%)
CIE-LAB	lab(57.45, -54.14, 39.91)
CIE-LCH	lch(57.45, 67.26, 143.60°)
OKLab	oklab(61.53% -0.1455 0.0943)
OKLCH	oklch(61.53% 0.173 147.1)
XYZ	xyz(13.7463, 25.3865, 8.8773)
Luminance	0.2539 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9F3F #9F1B7B

analogous

#399F1B #1B9F3F #1B9F81

triadic

#1B9F3F #3F1B9F #9F3F1B

tetradic

#1B9F3F #1B399F #9F1B7B #9F811B

square

#1B9F3F #1B399F #9F1B7B #9F811B

split-complementary

#1B9F3F #811B9F #9F1B39

monochromatic

#093616 #126B2A #1B9F3F #24D354 #53E27A

Accessibility & contrast

On white

3.46

#1B9F3F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.08

#1B9F3F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9F3F

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9F3F	#FFFFFF	#000000	##000000
##1B9F3F	1.00	3.46	6.08	6.08
#FFFFFF	3.46	1.00	21.00	21.00
#000000	6.08	21.00	1.00	1.00
##000000	6.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A19035

Deuteranopia (green-blind)

#938647

Tritanopia (blue-blind)

#009B8A

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #1b9f3f;
/* rgb */ color: rgb(27, 159, 63);
/* oklch */ color: oklch(61.5% 0.173 147.1);

Tailwind

colors: {
  custom: {
    50: '#71bd77',
    500: '#1b9f3f',
    950: '#000000',
  },
}

SCSS

$custom: #1b9f3f;
$custom-light: #71bd77;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9f3f",
  "rgb": {
    "r": 27,
    "g": 159,
    "b": 63
  },
  "hsl": {
    "h": 136.364,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.61525,
    "c": 0.17338,
    "h": 147.1
  },
  "luminance": 0.25388
}

Semantic roles & 50–950 ramp

primary

#1B9F3F

secondary

#C551A5

accent

#3ABDEE

background

#F7FBF7

surface

#EDF7ED

border

#C8D0C8

text

#091209

muted

#7B817B

Preview Lab

Preview with #1B9F3F

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

Preview Lab → · Contrast checker → · Palette generator →