#1B9B2B#1B9B2B

#1B9B2B is a mid, vivid green. Relative luminance 0.238; OKLCH L 60.2% C 0.183 H 144.2°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#1B9B2B
RGB	rgb(27, 155, 43)
HSL	hsl(128, 70%, 36%)
HSV	hsv(128, 83%, 61%)
CMYK	cmyk(82.6%, 0%, 72.3%, 39.2%)
CIE-LAB	lab(55.94, -55.07, 46.99)
CIE-LCH	lch(55.94, 72.39, 139.53°)
OKLab	oklab(60.21% -0.1488 0.1072)
OKLCH	oklch(60.21% 0.183 144.2)
XYZ	xyz(12.6085, 23.8486, 6.2238)
Luminance	0.2385 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9B2B #9B1B8B

analogous

#4B9B1B #1B9B2B #1B9B6B

triadic

#1B9B2B #2B1B9B #9B2B1B

tetradic

#1B9B2B #1B4B9B #9B1B8B #9B6B1B

square

#1B9B2B #1B4B9B #9B1B8B #9B6B1B

split-complementary

#1B9B2B #6B1B9B #9B1B4B

monochromatic

#09330E #12671D #1B9B2B #24CF39 #50E062

Accessibility & contrast

On white

3.64

#1B9B2B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.77

#1B9B2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9B2B

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9B2B	#FFFFFF	#000000	##000000
##1B9B2B	1.00	3.64	5.77	5.77
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.77	21.00	1.00	1.00
##000000	5.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9E8C19

Deuteranopia (green-blind)

#908236

Tritanopia (blue-blind)

#009785

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #1b9b2b;
/* rgb */ color: rgb(27, 155, 43);
/* oklch */ color: oklch(60.2% 0.183 144.2);

Tailwind

colors: {
  custom: {
    50: '#71ba6b',
    500: '#1b9b2b',
    950: '#000000',
  },
}

SCSS

$custom: #1b9b2b;
$custom-light: #71ba6b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9b2b",
  "rgb": {
    "r": 27,
    "g": 155,
    "b": 43
  },
  "hsl": {
    "h": 127.5,
    "s": 70.33,
    "l": 35.686
  },
  "oklch": {
    "l": 0.60208,
    "c": 0.18335,
    "h": 144.2
  },
  "luminance": 0.2385
}

Semantic roles & 50–950 ramp

primary

#1B9B2B

secondary

#C34FB5

accent

#3BD7ED

background

#F7FBF6

surface

#EDF6EC

border

#C8D0C7

text

#091207

muted

#7B817A

Preview Lab

Preview with #1B9B2B

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

Preview Lab → · Contrast checker → · Palette generator →