#1B9423#1B9423

#1B9423 is a mid, vivid green. Relative luminance 0.215; OKLCH L 58.2% C 0.180 H 143.5°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#1B9423
RGB	rgb(27, 148, 35)
HSL	hsl(124, 69%, 34%)
HSV	hsv(124, 82%, 58%)
CMYK	cmyk(81.8%, 0%, 76.4%, 42%)
CIE-LAB	lab(53.53, -53.51, 47.56)
CIE-LCH	lch(53.53, 71.59, 138.37°)
OKLab	oklab(58.19% -0.1449 0.1073)
OKLCH	oklch(58.19% 0.18 143.5)
XYZ	xyz(11.3445, 21.5328, 5.1481)
Luminance	0.2153 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9423 #941B8C

analogous

#50941B #1B9423 #1B9460

triadic

#1B9423 #231B94 #94231B

tetradic

#1B9423 #1B5094 #941B8C #94601B

square

#1B9423 #1B5094 #941B8C #94601B

split-complementary

#1B9423 #601B94 #941B50

monochromatic

#082C0B #126017 #1B9423 #24C82F #4BDE55

Accessibility & contrast

On white

3.96

#1B9423 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#1B9423 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9423

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9423	#FFFFFF	#000000	##000000
##1B9423	1.00	3.96	5.31	5.31
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97850B

Deuteranopia (green-blind)

#8A7C2F

Tritanopia (blue-blind)

#00907E

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #1b9423;
/* rgb */ color: rgb(27, 148, 35);
/* oklch */ color: oklch(58.2% 0.180 143.5);

Tailwind

colors: {
  custom: {
    50: '#70b566',
    500: '#1b9423',
    950: '#000000',
  },
}

SCSS

$custom: #1b9423;
$custom-light: #70b566;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9423",
  "rgb": {
    "r": 27,
    "g": 148,
    "b": 35
  },
  "hsl": {
    "h": 123.967,
    "s": 69.143,
    "l": 34.314
  },
  "oklch": {
    "l": 0.58187,
    "c": 0.18029,
    "h": 143.5
  },
  "luminance": 0.21534
}

Semantic roles & 50–950 ramp

primary

#1B9423

secondary

#C04BB8

accent

#3CE0EC

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#091106

muted

#7B807A

Preview Lab

Preview with #1B9423

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

Preview Lab → · Contrast checker → · Palette generator →