#1B9F45#1B9F45

#1B9F45 is a mid, vivid green. Relative luminance 0.255; OKLCH L 61.6% C 0.168 H 148.2°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#1B9F45
RGB	rgb(27, 159, 69)
HSL	hsl(139, 71%, 36%)
HSV	hsv(139, 83%, 62%)
CMYK	cmyk(83%, 0%, 56.6%, 37.6%)
CIE-LAB	lab(57.52, -53.31, 37.10)
CIE-LCH	lch(57.52, 64.95, 145.17°)
OKLab	oklab(61.6% -0.1431 0.0886)
OKLCH	oklch(61.6% 0.168 148.2)
XYZ	xyz(13.9232, 25.4572, 9.8090)
Luminance	0.2546 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9F45 #9F1B75

analogous

#339F1B #1B9F45 #1B9F87

triadic

#1B9F45 #451B9F #9F451B

tetradic

#1B9F45 #1B339F #9F1B75 #9F871B

square

#1B9F45 #1B339F #9F1B75 #9F871B

split-complementary

#1B9F45 #871B9F #9F1B33

monochromatic

#093618 #126B2E #1B9F45 #24D35C #53E280

Accessibility & contrast

On white

3.45

#1B9F45 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.09

#1B9F45 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9F45

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9F45	#FFFFFF	#000000	##000000
##1B9F45	1.00	3.45	6.09	6.09
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.09	21.00	1.00	1.00
##000000	6.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1903C

Deuteranopia (green-blind)

#92864C

Tritanopia (blue-blind)

#009C8B

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #1b9f45;
/* rgb */ color: rgb(27, 159, 69);
/* oklch */ color: oklch(61.6% 0.168 148.2);

Tailwind

colors: {
  custom: {
    50: '#71bd7b',
    500: '#1b9f45',
    950: '#000000',
  },
}

SCSS

$custom: #1b9f45;
$custom-light: #71bd7b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9f45",
  "rgb": {
    "r": 27,
    "g": 159,
    "b": 69
  },
  "hsl": {
    "h": 139.091,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.61604,
    "c": 0.16834,
    "h": 148.2
  },
  "luminance": 0.25459
}

Semantic roles & 50–950 ramp

primary

#1B9F45

secondary

#C551A0

accent

#3AB5EE

background

#F7FBF7

surface

#EDF7EE

border

#C8D0C9

text

#091209

muted

#7B817B

Preview Lab

Preview with #1B9F45

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

Preview Lab → · Contrast checker → · Palette generator →