#1B9823#1B9823

#1B9823 is a mid, vivid green. Relative luminance 0.228; OKLCH L 59.3% C 0.185 H 143.4°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#1B9823
RGB	rgb(27, 152, 35)
HSL	hsl(124, 70%, 35%)
HSV	hsv(124, 82%, 60%)
CMYK	cmyk(82.2%, 0%, 77%, 40.4%)
CIE-LAB	lab(54.88, -54.78, 48.90)
CIE-LCH	lch(54.88, 73.43, 138.25°)
OKLab	oklab(59.31% -0.1483 0.1101)
OKLCH	oklch(59.31% 0.185 143.4)
XYZ	xyz(11.9828, 22.8094, 5.3609)
Luminance	0.2281 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9823 #981B90

analogous

#51981B #1B9823 #1B9861

triadic

#1B9823 #231B98 #98231B

tetradic

#1B9823 #1B5198 #981B90 #98611B

square

#1B9823 #1B5198 #981B90 #98611B

split-complementary

#1B9823 #611B98 #981B51

monochromatic

#09300B #126417 #1B9823 #24CC2F #4EE057

Accessibility & contrast

On white

3.78

#1B9823 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#1B9823 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9823

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9823	#FFFFFF	#000000	##000000
##1B9823	1.00	3.78	5.56	5.56
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.56	21.00	1.00	1.00
##000000	5.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9B8908

Deuteranopia (green-blind)

#8E8030

Tritanopia (blue-blind)

#009382

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #1b9823;
/* rgb */ color: rgb(27, 152, 35);
/* oklch */ color: oklch(59.3% 0.185 143.4);

Tailwind

colors: {
  custom: {
    50: '#71b867',
    500: '#1b9823',
    950: '#000000',
  },
}

SCSS

$custom: #1b9823;
$custom-light: #71b867;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9823",
  "rgb": {
    "r": 27,
    "g": 152,
    "b": 35
  },
  "hsl": {
    "h": 123.84,
    "s": 69.832,
    "l": 35.098
  },
  "oklch": {
    "l": 0.59309,
    "c": 0.18474,
    "h": 143.4
  },
  "luminance": 0.22811
}

Semantic roles & 50–950 ramp

primary

#1B9823

secondary

#C24DBA

accent

#3BE1ED

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#091106

muted

#7B807A

Preview Lab

Preview with #1B9823

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

Preview Lab → · Contrast checker → · Palette generator →