#1B9E2C#1B9E2C

#1B9E2C is a mid, vivid green. Relative luminance 0.249; OKLCH L 61.1% C 0.186 H 144.3°. Best body text is #000000 at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#1B9E2C
RGB	rgb(27, 158, 44)
HSL	hsl(128, 71%, 36%)
HSV	hsv(128, 83%, 62%)
CMYK	cmyk(82.9%, 0%, 72.2%, 38%)
CIE-LAB	lab(56.95, -55.93, 47.64)
CIE-LCH	lch(56.95, 73.47, 139.58°)
OKLab	oklab(61.05% -0.1511 0.1087)
OKLCH	oklch(61.05% 0.186 144.3)
XYZ	xyz(13.1326, 24.8670, 6.4901)
Luminance	0.2487 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9E2C #9E1B8D

analogous

#4C9E1B #1B9E2C #1B9E6E

triadic

#1B9E2C #2C1B9E #9E2C1B

tetradic

#1B9E2C #1B4C9E #9E1B8D #9E6E1B

square

#1B9E2C #1B4C9E #9E1B8D #9E6E1B

split-complementary

#1B9E2C #6E1B9E #9E1B4C

monochromatic

#09350F #126A1D #1B9E2C #24D23B #52E165

Accessibility & contrast

On white

3.52

#1B9E2C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.97

#1B9E2C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9E2C

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9E2C	#FFFFFF	#000000	##000000
##1B9E2C	1.00	3.52	5.97	5.97
#FFFFFF	3.52	1.00	21.00	21.00
#000000	5.97	21.00	1.00	1.00
##000000	5.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A18F19

Deuteranopia (green-blind)

#938538

Tritanopia (blue-blind)

#009A87

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #1b9e2c;
/* rgb */ color: rgb(27, 158, 44);
/* oklch */ color: oklch(61.1% 0.186 144.3);

Tailwind

colors: {
  custom: {
    50: '#72bc6c',
    500: '#1b9e2c',
    950: '#000000',
  },
}

SCSS

$custom: #1b9e2c;
$custom-light: #72bc6c;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9e2c",
  "rgb": {
    "r": 27,
    "g": 158,
    "b": 44
  },
  "hsl": {
    "h": 127.786,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.6105,
    "c": 0.1861,
    "h": 144.3
  },
  "luminance": 0.24869
}

Semantic roles & 50–950 ramp

primary

#1B9E2C

secondary

#C451B5

accent

#3AD6EE

background

#F7FBF6

surface

#EEF6EC

border

#C9D0C7

text

#091207

muted

#7B817A

Preview Lab

Preview with #1B9E2C

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

Preview Lab → · Contrast checker → · Palette generator →