#1B9539#1B9539

#1B9539 is a mid, vivid green. Relative luminance 0.220; OKLCH L 58.7% C 0.166 H 146.6°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#1B9539
RGB	rgb(27, 149, 57)
HSL	hsl(135, 69%, 35%)
HSV	hsv(135, 82%, 58%)
CMYK	cmyk(81.9%, 0%, 61.7%, 41.6%)
CIE-LAB	lab(54.05, -51.55, 38.82)
CIE-LCH	lch(54.05, 64.53, 143.02°)
OKLab	oklab(58.68% -0.1387 0.0914)
OKLCH	oklch(58.68% 0.166 146.6)
XYZ	xyz(11.9370, 22.0219, 7.4916)
Luminance	0.2202 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9539 #951B77

analogous

#3A951B #1B9539 #1B9576

triadic

#1B9539 #391B95 #95391B

tetradic

#1B9539 #1B3A95 #951B77 #95761B

square

#1B9539 #1B3A95 #951B77 #95761B

split-complementary

#1B9539 #761B95 #951B3A

monochromatic

#082D11 #126125 #1B9539 #24C94D #4CDF70

Accessibility & contrast

On white

3.89

#1B9539 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#1B9539 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9539

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9539	#FFFFFF	#000000	##000000
##1B9539	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97872F

Deuteranopia (green-blind)

#8A7E41

Tritanopia (blue-blind)

#009181

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #1b9539;
/* rgb */ color: rgb(27, 149, 57);
/* oklch */ color: oklch(58.7% 0.166 146.6);

Tailwind

colors: {
  custom: {
    50: '#6fb573',
    500: '#1b9539',
    950: '#000000',
  },
}

SCSS

$custom: #1b9539;
$custom-light: #6fb573;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9539",
  "rgb": {
    "r": 27,
    "g": 149,
    "b": 57
  },
  "hsl": {
    "h": 134.754,
    "s": 69.318,
    "l": 34.51
  },
  "oklch": {
    "l": 0.58681,
    "c": 0.16607,
    "h": 146.6
  },
  "luminance": 0.22023
}

Semantic roles & 50–950 ramp

primary

#1B9539

secondary

#C14BA4

accent

#3CC1EC

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#091108

muted

#7B807B

Preview Lab

Preview with #1B9539

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

Preview Lab → · Contrast checker → · Palette generator →