#1B9D28#1B9D28

#1B9D28 is a mid, vivid green. Relative luminance 0.245; OKLCH L 60.7% C 0.187 H 143.9°. Best body text is #000000 at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#1B9D28
RGB	rgb(27, 157, 40)
HSL	hsl(126, 71%, 36%)
HSV	hsv(126, 83%, 62%)
CMYK	cmyk(82.8%, 0%, 74.5%, 38.4%)
CIE-LAB	lab(56.58, -55.97, 48.80)
CIE-LCH	lch(56.58, 74.25, 138.91°)
OKLab	oklab(60.74% -0.1514 0.1106)
OKLCH	oklch(60.74% 0.187 143.9)
XYZ	xyz(12.8911, 24.4986, 6.0564)
Luminance	0.2450 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9D28 #9D1B90

analogous

#4F9D1B #1B9D28 #1B9D69

triadic

#1B9D28 #281B9D #9D281B

tetradic

#1B9D28 #1B4F9D #9D1B90 #9D691B

square

#1B9D28 #1B4F9D #9D1B90 #9D691B

split-complementary

#1B9D28 #691B9D #9D1B4F

monochromatic

#09350D #12691B #1B9D28 #24D135 #51E160

Accessibility & contrast

On white

3.56

#1B9D28 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.90

#1B9D28 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9D28

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9D28	#FFFFFF	#000000	##000000
##1B9D28	1.00	3.56	5.90	5.90
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.90	21.00	1.00	1.00
##000000	5.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A08E12

Deuteranopia (green-blind)

#928434

Tritanopia (blue-blind)

#009886

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #1b9d28;
/* rgb */ color: rgb(27, 157, 40);
/* oklch */ color: oklch(60.7% 0.187 143.9);

Tailwind

colors: {
  custom: {
    50: '#72bb6a',
    500: '#1b9d28',
    950: '#000000',
  },
}

SCSS

$custom: #1b9d28;
$custom-light: #72bb6a;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9d28",
  "rgb": {
    "r": 27,
    "g": 157,
    "b": 40
  },
  "hsl": {
    "h": 126,
    "s": 70.652,
    "l": 36.078
  },
  "oklch": {
    "l": 0.6074,
    "c": 0.18743,
    "h": 143.9
  },
  "luminance": 0.245
}

Semantic roles & 50–950 ramp

primary

#1B9D28

secondary

#C450B8

accent

#3ADCED

background

#F7FBF6

surface

#EEF6EB

border

#C9D0C6

text

#091207

muted

#7B817A

Preview Lab

Preview with #1B9D28

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

Preview Lab → · Contrast checker → · Palette generator →