#1B9D23#1B9D23

#1B9D23 is a mid, vivid green. Relative luminance 0.245; OKLCH L 60.7% C 0.190 H 143.4°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#1B9D23
RGB	rgb(27, 157, 35)
HSL	hsl(124, 71%, 36%)
HSV	hsv(124, 83%, 62%)
CMYK	cmyk(82.8%, 0%, 77.7%, 38.4%)
CIE-LAB	lab(56.55, -56.36, 50.55)
CIE-LCH	lch(56.55, 75.71, 138.11°)
OKLab	oklab(60.7% -0.1526 0.1135)
OKLCH	oklch(60.7% 0.19 143.4)
XYZ	xyz(12.8115, 24.4667, 5.6371)
Luminance	0.2447 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9D23 #9D1B95

analogous

#549D1B #1B9D23 #1B9D64

triadic

#1B9D23 #231B9D #9D231B

tetradic

#1B9D23 #1B549D #9D1B95 #9D641B

square

#1B9D23 #1B549D #9D1B95 #9D641B

split-complementary

#1B9D23 #641B9D #9D1B54

monochromatic

#09350C #126917 #1B9D23 #24D12F #51E15A

Accessibility & contrast

On white

3.56

#1B9D23 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.89

#1B9D23 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9D23

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9D23	#FFFFFF	#000000	##000000
##1B9D23	1.00	3.56	5.89	5.89
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.89	21.00	1.00	1.00
##000000	5.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A08D05

Deuteranopia (green-blind)

#938431

Tritanopia (blue-blind)

#009886

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #1b9d23;
/* rgb */ color: rgb(27, 157, 35);
/* oklch */ color: oklch(60.7% 0.190 143.4);

Tailwind

colors: {
  custom: {
    50: '#72bb67',
    500: '#1b9d23',
    950: '#000000',
  },
}

SCSS

$custom: #1b9d23;
$custom-light: #72bb67;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9d23",
  "rgb": {
    "r": 27,
    "g": 157,
    "b": 35
  },
  "hsl": {
    "h": 123.692,
    "s": 70.652,
    "l": 36.078
  },
  "oklch": {
    "l": 0.60704,
    "c": 0.19024,
    "h": 143.4
  },
  "luminance": 0.24468
}

Semantic roles & 50–950 ramp

primary

#1B9D23

secondary

#C450BD

accent

#3AE2ED

background

#F7FBF6

surface

#EEF6EB

border

#C9D0C6

text

#091206

muted

#7B817A

Preview Lab

Preview with #1B9D23

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

Preview Lab → · Contrast checker → · Palette generator →