#1B9523#1B9523

#1B9523 is a mid, vivid green. Relative luminance 0.218; OKLCH L 58.5% C 0.181 H 143.5°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#1B9523
RGB	rgb(27, 149, 35)
HSL	hsl(124, 69%, 35%)
HSV	hsv(124, 82%, 58%)
CMYK	cmyk(81.9%, 0%, 76.5%, 41.6%)
CIE-LAB	lab(53.87, -53.83, 47.89)
CIE-LCH	lch(53.87, 72.05, 138.34°)
OKLab	oklab(58.47% -0.1457 0.108)
OKLCH	oklch(58.47% 0.181 143.5)
XYZ	xyz(11.5021, 21.8479, 5.2006)
Luminance	0.2185 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9523 #951B8D

analogous

#50951B #1B9523 #1B9560

triadic

#1B9523 #231B95 #95231B

tetradic

#1B9523 #1B5095 #951B8D #95601B

square

#1B9523 #1B5095 #951B8D #95601B

split-complementary

#1B9523 #601B95 #951B50

monochromatic

#082D0B #126117 #1B9523 #24C92F #4CDF55

Accessibility & contrast

On white

3.91

#1B9523 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#1B9523 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9523

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9523	#FFFFFF	#000000	##000000
##1B9523	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98860A

Deuteranopia (green-blind)

#8B7D30

Tritanopia (blue-blind)

#00917F

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #1b9523;
/* rgb */ color: rgb(27, 149, 35);
/* oklch */ color: oklch(58.5% 0.181 143.5);

Tailwind

colors: {
  custom: {
    50: '#70b566',
    500: '#1b9523',
    950: '#000000',
  },
}

SCSS

$custom: #1b9523;
$custom-light: #70b566;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9523",
  "rgb": {
    "r": 27,
    "g": 149,
    "b": 35
  },
  "hsl": {
    "h": 123.934,
    "s": 69.318,
    "l": 34.51
  },
  "oklch": {
    "l": 0.58468,
    "c": 0.1814,
    "h": 143.5
  },
  "luminance": 0.21849
}

Semantic roles & 50–950 ramp

primary

#1B9523

secondary

#C14BB9

accent

#3CE1EC

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#091106

muted

#7B807A

Preview Lab

Preview with #1B9523

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

Preview Lab → · Contrast checker → · Palette generator →