#1B9431#1B9431

#1B9431 is a mid, vivid green. Relative luminance 0.216; OKLCH L 58.3% C 0.171 H 145.3°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#1B9431
RGB	rgb(27, 148, 49)
HSL	hsl(131, 69%, 34%)
HSV	hsv(131, 82%, 58%)
CMYK	cmyk(81.8%, 0%, 66.9%, 42%)
CIE-LAB	lab(53.64, -52.17, 42.02)
CIE-LCH	lch(53.64, 66.99, 141.15°)
OKLab	oklab(58.31% -0.1406 0.0974)
OKLCH	oklch(58.31% 0.171 145.3)
XYZ	xyz(11.5954, 21.6332, 6.4696)
Luminance	0.2163 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9431 #941B7E

analogous

#42941B #1B9431 #1B946E

triadic

#1B9431 #311B94 #94311B

tetradic

#1B9431 #1B4294 #941B7E #946E1B

square

#1B9431 #1B4294 #941B7E #946E1B

split-complementary

#1B9431 #6E1B94 #941B42

monochromatic

#082C0F #126020 #1B9431 #24C842 #4BDE66

Accessibility & contrast

On white

3.94

#1B9431 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#1B9431 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9431

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9431	#FFFFFF	#000000	##000000
##1B9431	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#968624

Deuteranopia (green-blind)

#897D3A

Tritanopia (blue-blind)

#009080

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #1b9431;
/* rgb */ color: rgb(27, 148, 49);
/* oklch */ color: oklch(58.3% 0.171 145.3);

Tailwind

colors: {
  custom: {
    50: '#6fb56e',
    500: '#1b9431',
    950: '#000000',
  },
}

SCSS

$custom: #1b9431;
$custom-light: #6fb56e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9431",
  "rgb": {
    "r": 27,
    "g": 148,
    "b": 49
  },
  "hsl": {
    "h": 130.909,
    "s": 69.143,
    "l": 34.314
  },
  "oklch": {
    "l": 0.58312,
    "c": 0.17109,
    "h": 145.3
  },
  "luminance": 0.21635
}

Semantic roles & 50–950 ramp

primary

#1B9431

secondary

#C04BAB

accent

#3CCCEC

background

#F7FBF6

surface

#EDF6EC

border

#C8D0C7

text

#091107

muted

#7B807A

Preview Lab

Preview with #1B9431

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

Preview Lab → · Contrast checker → · Palette generator →