#1B9E2A#1B9E2A

#1B9E2A is a mid, vivid green. Relative luminance 0.249; OKLCH L 61.0% C 0.187 H 144.0°. Best body text is #000000 at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#1B9E2A
RGB	rgb(27, 158, 42)
HSL	hsl(127, 71%, 36%)
HSV	hsv(127, 83%, 62%)
CMYK	cmyk(82.9%, 0%, 73.4%, 38%)
CIE-LAB	lab(56.93, -56.11, 48.40)
CIE-LCH	lch(56.93, 74.10, 139.22°)
OKLab	oklab(61.03% -0.1517 0.11)
OKLCH	oklch(61.03% 0.187 144)
XYZ	xyz(13.0959, 24.8523, 6.2968)
Luminance	0.2485 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9E2A #9E1B8F

analogous

#4E9E1B #1B9E2A #1B9E6C

triadic

#1B9E2A #2A1B9E #9E2A1B

tetradic

#1B9E2A #1B4E9E #9E1B8F #9E6C1B

square

#1B9E2A #1B4E9E #9E1B8F #9E6C1B

split-complementary

#1B9E2A #6C1B9E #9E1B4E

monochromatic

#09350E #126A1C #1B9E2A #24D238 #52E162

Accessibility & contrast

On white

3.52

#1B9E2A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.97

#1B9E2A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9E2A

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9E2A	#FFFFFF	#000000	##000000
##1B9E2A	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)

#A18E16

Deuteranopia (green-blind)

#938536

Tritanopia (blue-blind)

#009987

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #1b9e2a;
/* rgb */ color: rgb(27, 158, 42);
/* oklch */ color: oklch(61.0% 0.187 144.0);

Tailwind

colors: {
  custom: {
    50: '#72bc6b',
    500: '#1b9e2a',
    950: '#000000',
  },
}

SCSS

$custom: #1b9e2a;
$custom-light: #72bc6b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9e2a",
  "rgb": {
    "r": 27,
    "g": 158,
    "b": 42
  },
  "hsl": {
    "h": 126.87,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.61034,
    "c": 0.18735,
    "h": 144
  },
  "luminance": 0.24854
}

Semantic roles & 50–950 ramp

primary

#1B9E2A

secondary

#C451B7

accent

#3AD9EE

background

#F7FBF6

surface

#EEF6EC

border

#C9D0C7

text

#091207

muted

#7B817A

Preview Lab

Preview with #1B9E2A

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

Preview Lab → · Contrast checker → · Palette generator →