#1B9A2D#1B9A2D

#1B9A2D is a mid, vivid green. Relative luminance 0.235; OKLCH L 59.9% C 0.181 H 144.5°. Best body text is #000000 at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#1B9A2D
RGB	rgb(27, 154, 45)
HSL	hsl(129, 70%, 35%)
HSV	hsv(129, 82%, 60%)
CMYK	cmyk(82.5%, 0%, 70.8%, 39.6%)
CIE-LAB	lab(55.62, -54.55, 45.85)
CIE-LCH	lch(55.62, 71.26, 139.96°)
OKLab	oklab(59.95% -0.1473 0.105)
OKLCH	oklch(59.95% 0.181 144.5)
XYZ	xyz(12.4804, 23.5321, 6.3665)
Luminance	0.2353 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9A2D #9A1B88

analogous

#489A1B #1B9A2D #1B9A6C

triadic

#1B9A2D #2D1B9A #9A2D1B

tetradic

#1B9A2D #1B489A #9A1B88 #9A6C1B

square

#1B9A2D #1B489A #9A1B88 #9A6C1B

split-complementary

#1B9A2D #6C1B9A #9A1B48

monochromatic

#09320F #12661E #1B9A2D #24CE3C #4FE064

Accessibility & contrast

On white

3.68

#1B9A2D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.71

#1B9A2D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9A2D

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9A2D	#FFFFFF	#000000	##000000
##1B9A2D	1.00	3.68	5.71	5.71
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.71	21.00	1.00	1.00
##000000	5.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9D8B1D

Deuteranopia (green-blind)

#8F8238

Tritanopia (blue-blind)

#009684

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #1b9a2d;
/* rgb */ color: rgb(27, 154, 45);
/* oklch */ color: oklch(59.9% 0.181 144.5);

Tailwind

colors: {
  custom: {
    50: '#71b96c',
    500: '#1b9a2d',
    950: '#000000',
  },
}

SCSS

$custom: #1b9a2d;
$custom-light: #71b96c;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9a2d",
  "rgb": {
    "r": 27,
    "g": 154,
    "b": 45
  },
  "hsl": {
    "h": 128.504,
    "s": 70.166,
    "l": 35.49
  },
  "oklch": {
    "l": 0.59947,
    "c": 0.1809,
    "h": 144.5
  },
  "luminance": 0.23534
}

Semantic roles & 50–950 ramp

primary

#1B9A2D

secondary

#C34EB2

accent

#3BD4ED

background

#F7FBF6

surface

#EDF6EC

border

#C8D0C7

text

#091207

muted

#7B817A

Preview Lab

Preview with #1B9A2D

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

Preview Lab → · Contrast checker → · Palette generator →