#1B9531#1B9531

#1B9531 is a mid, vivid green. Relative luminance 0.220; OKLCH L 58.6% C 0.172 H 145.2°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#1B9531
RGB	rgb(27, 149, 49)
HSL	hsl(131, 69%, 35%)
HSV	hsv(131, 82%, 58%)
CMYK	cmyk(81.9%, 0%, 67.1%, 41.6%)
CIE-LAB	lab(53.97, -52.50, 42.39)
CIE-LCH	lch(53.97, 67.48, 141.09°)
OKLab	oklab(58.59% -0.1415 0.0982)
OKLCH	oklch(58.59% 0.172 145.2)
XYZ	xyz(11.7530, 21.9482, 6.5221)
Luminance	0.2195 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9531 #951B7F

analogous

#42951B #1B9531 #1B956E

triadic

#1B9531 #311B95 #95311B

tetradic

#1B9531 #1B4295 #951B7F #956E1B

square

#1B9531 #1B4295 #951B7F #956E1B

split-complementary

#1B9531 #6E1B95 #951B42

monochromatic

#082D0F #126120 #1B9531 #24C942 #4CDF66

Accessibility & contrast

On white

3.90

#1B9531 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#1B9531 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9531

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9531	#FFFFFF	#000000	##000000
##1B9531	1.00	3.90	5.39	5.39
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#988724

Deuteranopia (green-blind)

#8A7D3A

Tritanopia (blue-blind)

#009180

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #1b9531;
/* rgb */ color: rgb(27, 149, 49);
/* oklch */ color: oklch(58.6% 0.172 145.2);

Tailwind

colors: {
  custom: {
    50: '#6fb56e',
    500: '#1b9531',
    950: '#000000',
  },
}

SCSS

$custom: #1b9531;
$custom-light: #6fb56e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9531",
  "rgb": {
    "r": 27,
    "g": 149,
    "b": 49
  },
  "hsl": {
    "h": 130.82,
    "s": 69.318,
    "l": 34.51
  },
  "oklch": {
    "l": 0.58591,
    "c": 0.17227,
    "h": 145.2
  },
  "luminance": 0.2195
}

Semantic roles & 50–950 ramp

primary

#1B9531

secondary

#C14BAB

accent

#3CCCEC

background

#F7FBF6

surface

#EDF6EC

border

#C8D0C7

text

#091107

muted

#7B807A

Preview Lab

Preview with #1B9531

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

Preview Lab → · Contrast checker → · Palette generator →