#1B9D41#1B9D41

#1B9D41 is a mid, vivid green. Relative luminance 0.247; OKLCH L 61.0% C 0.169 H 147.6°. Best body text is #000000 at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#1B9D41
RGB	rgb(27, 157, 65)
HSL	hsl(138, 71%, 36%)
HSV	hsv(138, 83%, 62%)
CMYK	cmyk(82.8%, 0%, 58.6%, 38.4%)
CIE-LAB	lab(56.81, -53.20, 38.21)
CIE-LCH	lch(56.81, 65.50, 144.31°)
OKLab	oklab(61% -0.1429 0.0907)
OKLCH	oklch(61% 0.169 147.6)
XYZ	xyz(13.4620, 24.7269, 9.0633)
Luminance	0.2473 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9D41 #9D1B77

analogous

#369D1B #1B9D41 #1B9D82

triadic

#1B9D41 #411B9D #9D411B

tetradic

#1B9D41 #1B369D #9D1B77 #9D821B

square

#1B9D41 #1B369D #9D1B77 #9D821B

split-complementary

#1B9D41 #821B9D #9D1B36

monochromatic

#093516 #12692B #1B9D41 #24D157 #51E17B

Accessibility & contrast

On white

3.53

#1B9D41 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.95

#1B9D41 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9D41

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9D41	#FFFFFF	#000000	##000000
##1B9D41	1.00	3.53	5.95	5.95
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.95	21.00	1.00	1.00
##000000	5.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9F8E38

Deuteranopia (green-blind)

#918448

Tritanopia (blue-blind)

#009989

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #1b9d41;
/* rgb */ color: rgb(27, 157, 65);
/* oklch */ color: oklch(61.0% 0.169 147.6);

Tailwind

colors: {
  custom: {
    50: '#70bb78',
    500: '#1b9d41',
    950: '#000000',
  },
}

SCSS

$custom: #1b9d41;
$custom-light: #70bb78;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9d41",
  "rgb": {
    "r": 27,
    "g": 157,
    "b": 65
  },
  "hsl": {
    "h": 137.538,
    "s": 70.652,
    "l": 36.078
  },
  "oklch": {
    "l": 0.61,
    "c": 0.16928,
    "h": 147.6
  },
  "luminance": 0.24729
}

Semantic roles & 50–950 ramp

primary

#1B9D41

secondary

#C450A2

accent

#3AB9ED

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#091209

muted

#7B817B

Preview Lab

Preview with #1B9D41

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

Preview Lab → · Contrast checker → · Palette generator →