#1B9828#1B9828

#1B9828 is a mid, vivid green. Relative luminance 0.228; OKLCH L 59.3% C 0.182 H 144.0°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#1B9828
RGB	rgb(27, 152, 40)
HSL	hsl(126, 70%, 35%)
HSV	hsv(126, 82%, 60%)
CMYK	cmyk(82.2%, 0%, 73.7%, 40.4%)
CIE-LAB	lab(54.91, -54.37, 47.09)
CIE-LCH	lch(54.91, 71.93, 139.11°)
OKLab	oklab(59.35% -0.147 0.107)
OKLCH	oklch(59.35% 0.182 144)
XYZ	xyz(12.0624, 22.8412, 5.7801)
Luminance	0.2284 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9828 #981B8B

analogous

#4C981B #1B9828 #1B9866

triadic

#1B9828 #281B98 #98281B

tetradic

#1B9828 #1B4C98 #981B8B #98661B

square

#1B9828 #1B4C98 #981B8B #98661B

split-complementary

#1B9828 #661B98 #981B4C

monochromatic

#09300D #12641A #1B9828 #24CC36 #4EE05D

Accessibility & contrast

On white

3.77

#1B9828 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#1B9828 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9828

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9828	#FFFFFF	#000000	##000000
##1B9828	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9B8914

Deuteranopia (green-blind)

#8E8034

Tritanopia (blue-blind)

#009482

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #1b9828;
/* rgb */ color: rgb(27, 152, 40);
/* oklch */ color: oklch(59.3% 0.182 144.0);

Tailwind

colors: {
  custom: {
    50: '#70b869',
    500: '#1b9828',
    950: '#000000',
  },
}

SCSS

$custom: #1b9828;
$custom-light: #70b869;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9828",
  "rgb": {
    "r": 27,
    "g": 152,
    "b": 40
  },
  "hsl": {
    "h": 126.24,
    "s": 69.832,
    "l": 35.098
  },
  "oklch": {
    "l": 0.59347,
    "c": 0.18182,
    "h": 144
  },
  "luminance": 0.22843
}

Semantic roles & 50–950 ramp

primary

#1B9828

secondary

#C24DB6

accent

#3BDAED

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#091107

muted

#7B807A

Preview Lab

Preview with #1B9828

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

Preview Lab → · Contrast checker → · Palette generator →