#1B9F41#1B9F41

#1B9F41 is a mid, vivid green. Relative luminance 0.254; OKLCH L 61.6% C 0.172 H 147.4°. Best body text is #000000 at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#1B9F41
RGB	rgb(27, 159, 65)
HSL	hsl(137, 71%, 36%)
HSV	hsv(137, 83%, 62%)
CMYK	cmyk(83%, 0%, 59.1%, 37.6%)
CIE-LAB	lab(57.47, -53.87, 38.99)
CIE-LCH	lch(57.47, 66.50, 144.11°)
OKLab	oklab(61.55% -0.1447 0.0924)
OKLCH	oklch(61.55% 0.172 147.4)
XYZ	xyz(13.8032, 25.4092, 9.1770)
Luminance	0.2541 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9F41 #9F1B79

analogous

#379F1B #1B9F41 #1B9F83

triadic

#1B9F41 #411B9F #9F411B

tetradic

#1B9F41 #1B379F #9F1B79 #9F831B

square

#1B9F41 #1B379F #9F1B79 #9F831B

split-complementary

#1B9F41 #831B9F #9F1B37

monochromatic

#093616 #126B2C #1B9F41 #24D356 #53E27C

Accessibility & contrast

On white

3.45

#1B9F41 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.08

#1B9F41 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9F41

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9F41	#FFFFFF	#000000	##000000
##1B9F41	1.00	3.45	6.08	6.08
#FFFFFF	3.45	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)

#A19038

Deuteranopia (green-blind)

#938649

Tritanopia (blue-blind)

#009B8A

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #1b9f41;
/* rgb */ color: rgb(27, 159, 65);
/* oklch */ color: oklch(61.6% 0.172 147.4);

Tailwind

colors: {
  custom: {
    50: '#71bd78',
    500: '#1b9f41',
    950: '#000000',
  },
}

SCSS

$custom: #1b9f41;
$custom-light: #71bd78;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9f41",
  "rgb": {
    "r": 27,
    "g": 159,
    "b": 65
  },
  "hsl": {
    "h": 137.273,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.6155,
    "c": 0.17174,
    "h": 147.4
  },
  "luminance": 0.25411
}

Semantic roles & 50–950 ramp

primary

#1B9F41

secondary

#C551A3

accent

#3ABAEE

background

#F7FBF7

surface

#EDF7ED

border

#C8D0C8

text

#091209

muted

#7B817B

Preview Lab

Preview with #1B9F41

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

Preview Lab → · Contrast checker → · Palette generator →