#1B9540#1B9540

#1B9540 is a mid, vivid green. Relative luminance 0.221; OKLCH L 58.8% C 0.160 H 148.0°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#1B9540
RGB	rgb(27, 149, 64)
HSL	hsl(138, 69%, 35%)
HSV	hsv(138, 82%, 58%)
CMYK	cmyk(81.9%, 0%, 57%, 41.6%)
CIE-LAB	lab(54.13, -50.59, 35.52)
CIE-LCH	lch(54.13, 61.81, 144.93°)
OKLab	oklab(58.77% -0.1359 0.0848)
OKLCH	oklch(58.77% 0.16 148)
XYZ	xyz(12.1239, 22.0966, 8.4756)
Luminance	0.2210 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9540 #951B70

analogous

#33951B #1B9540 #1B957D

triadic

#1B9540 #401B95 #95401B

tetradic

#1B9540 #1B3395 #951B70 #957D1B

square

#1B9540 #1B3395 #951B70 #957D1B

split-complementary

#1B9540 #7D1B95 #951B33

monochromatic

#082D13 #12612A #1B9540 #24C956 #4CDF78

Accessibility & contrast

On white

3.87

#1B9540 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#1B9540 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9540

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9540	#FFFFFF	#000000	##000000
##1B9540	1.00	3.87	5.42	5.42
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#978738

Deuteranopia (green-blind)

#897E47

Tritanopia (blue-blind)

#009282

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #1b9540;
/* rgb */ color: rgb(27, 149, 64);
/* oklch */ color: oklch(58.8% 0.160 148.0);

Tailwind

colors: {
  custom: {
    50: '#6eb577',
    500: '#1b9540',
    950: '#000000',
  },
}

SCSS

$custom: #1b9540;
$custom-light: #6eb577;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9540",
  "rgb": {
    "r": 27,
    "g": 149,
    "b": 64
  },
  "hsl": {
    "h": 138.197,
    "s": 69.318,
    "l": 34.51
  },
  "oklch": {
    "l": 0.58773,
    "c": 0.16016,
    "h": 148
  },
  "luminance": 0.22098
}

Semantic roles & 50–950 ramp

primary

#1B9540

secondary

#C14B9D

accent

#3CB7EC

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#091109

muted

#7B807B

Preview Lab

Preview with #1B9540

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

Preview Lab → · Contrast checker → · Palette generator →