#1B9E2B#1B9E2B

#1B9E2B is a mid, vivid green. Relative luminance 0.249; OKLCH L 61.0% C 0.187 H 144.2°. Best body text is #000000 at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#1B9E2B
RGB	rgb(27, 158, 43)
HSL	hsl(127, 71%, 36%)
HSV	hsv(127, 83%, 62%)
CMYK	cmyk(82.9%, 0%, 72.8%, 38%)
CIE-LAB	lab(56.94, -56.02, 48.02)
CIE-LCH	lch(56.94, 73.79, 139.40°)
OKLab	oklab(61.04% -0.1514 0.1093)
OKLCH	oklch(61.04% 0.187 144.2)
XYZ	xyz(13.1140, 24.8595, 6.3922)
Luminance	0.2486 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9E2B #9E1B8E

analogous

#4D9E1B #1B9E2B #1B9E6D

triadic

#1B9E2B #2B1B9E #9E2B1B

tetradic

#1B9E2B #1B4D9E #9E1B8E #9E6D1B

square

#1B9E2B #1B4D9E #9E1B8E #9E6D1B

split-complementary

#1B9E2B #6D1B9E #9E1B4D

monochromatic

#09350F #126A1D #1B9E2B #24D239 #52E163

Accessibility & contrast

On white

3.52

#1B9E2B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.97

#1B9E2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9E2B

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9E2B	#FFFFFF	#000000	##000000
##1B9E2B	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)

#A18E18

Deuteranopia (green-blind)

#938537

Tritanopia (blue-blind)

#009A87

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #1b9e2b;
/* rgb */ color: rgb(27, 158, 43);
/* oklch */ color: oklch(61.0% 0.187 144.2);

Tailwind

colors: {
  custom: {
    50: '#72bc6b',
    500: '#1b9e2b',
    950: '#000000',
  },
}

SCSS

$custom: #1b9e2b;
$custom-light: #72bc6b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9e2b",
  "rgb": {
    "r": 27,
    "g": 158,
    "b": 43
  },
  "hsl": {
    "h": 127.328,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.61042,
    "c": 0.18673,
    "h": 144.2
  },
  "luminance": 0.24861
}

Semantic roles & 50–950 ramp

primary

#1B9E2B

secondary

#C451B6

accent

#3AD8EE

background

#F7FBF6

surface

#EEF6EC

border

#C9D0C7

text

#091207

muted

#7B817A

Preview Lab

Preview with #1B9E2B

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

Preview Lab → · Contrast checker → · Palette generator →