#1B9E28#1B9E28

#1B9E28 is a mid, vivid green. Relative luminance 0.248; OKLCH L 61.0% C 0.189 H 143.8°. Best body text is #000000 at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#1B9E28
RGB	rgb(27, 158, 40)
HSL	hsl(126, 71%, 36%)
HSV	hsv(126, 83%, 62%)
CMYK	cmyk(82.9%, 0%, 74.7%, 38%)
CIE-LAB	lab(56.92, -56.28, 49.14)
CIE-LCH	lch(56.92, 74.71, 138.88°)
OKLab	oklab(61.02% -0.1522 0.1113)
OKLCH	oklch(61.02% 0.189 143.8)
XYZ	xyz(13.0610, 24.8383, 6.1130)
Luminance	0.2484 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9E28 #9E1B91

analogous

#509E1B #1B9E28 #1B9E6A

triadic

#1B9E28 #281B9E #9E281B

tetradic

#1B9E28 #1B509E #9E1B91 #9E6A1B

square

#1B9E28 #1B509E #9E1B91 #9E6A1B

split-complementary

#1B9E28 #6A1B9E #9E1B50

monochromatic

#09350E #126A1B #1B9E28 #24D235 #52E160

Accessibility & contrast

On white

3.52

#1B9E28 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.97

#1B9E28 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9E28

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9E28	#FFFFFF	#000000	##000000
##1B9E28	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)

#A18E12

Deuteranopia (green-blind)

#938535

Tritanopia (blue-blind)

#009987

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #1b9e28;
/* rgb */ color: rgb(27, 158, 40);
/* oklch */ color: oklch(61.0% 0.189 143.8);

Tailwind

colors: {
  custom: {
    50: '#72bc6a',
    500: '#1b9e28',
    950: '#000000',
  },
}

SCSS

$custom: #1b9e28;
$custom-light: #72bc6a;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9e28",
  "rgb": {
    "r": 27,
    "g": 158,
    "b": 40
  },
  "hsl": {
    "h": 125.954,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.61018,
    "c": 0.18854,
    "h": 143.8
  },
  "luminance": 0.2484
}

Semantic roles & 50–950 ramp

primary

#1B9E28

secondary

#C451B9

accent

#3ADCEE

background

#F7FBF6

surface

#EEF6EB

border

#C9D0C6

text

#091207

muted

#7B817A

Preview Lab

Preview with #1B9E28

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

Preview Lab → · Contrast checker → · Palette generator →