#18B31C#18B31C

#18B31C is a light, highly saturated green. Relative luminance 0.325; OKLCH L 66.7% C 0.217 H 142.8°. Best body text is #000000 at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#18B31C
RGB	rgb(24, 179, 28)
HSL	hsl(122, 76%, 40%)
HSV	hsv(122, 87%, 70%)
CMYK	cmyk(86.6%, 0%, 84.4%, 29.8%)
CIE-LAB	lab(63.77, -63.75, 59.39)
CIE-LCH	lch(63.77, 87.12, 137.03°)
OKLab	oklab(66.69% -0.1729 0.1311)
OKLCH	oklch(66.69% 0.217 142.8)
XYZ	xyz(16.7053, 32.5161, 6.4942)
Luminance	0.3252 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18B31C #B318AF

analogous

#62B318 #18B31C #18B369

triadic

#18B31C #1C18B3 #B31C18

tetradic

#18B31C #1862B3 #B318AF #B36918

square

#18B31C #1862B3 #B318AF #B36918

split-complementary

#18B31C #6918B3 #B31862

monochromatic

#0A470B #117D14 #18B31C #26E22B #5CE960

Accessibility & contrast

On white

2.80

#18B31C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.50

#18B31C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #18B31C

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18B31C	#FFFFFF	#000000	##000000
##18B31C	1.00	2.80	7.50	7.50
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.50	21.00	1.00	1.00
##000000	7.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A100

Deuteranopia (green-blind)

#A79631

Tritanopia (blue-blind)

#00AE98

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #18b31c;
/* rgb */ color: rgb(24, 179, 28);
/* oklch */ color: oklch(66.7% 0.217 142.8);

Tailwind

colors: {
  custom: {
    50: '#77cb68',
    500: '#18b31c',
    950: '#000000',
  },
}

SCSS

$custom: #18b31c;
$custom-light: #77cb68;
$custom-dark: #000000;

JSON

{
  "hex": "#18b31c",
  "rgb": {
    "r": 24,
    "g": 179,
    "b": 28
  },
  "hsl": {
    "h": 121.548,
    "s": 76.355,
    "l": 39.804
  },
  "oklch": {
    "l": 0.66693,
    "c": 0.21694,
    "h": 142.8
  },
  "luminance": 0.32518
}

Semantic roles & 50–950 ramp

primary

#18B31C

secondary

#CD5ACA

accent

#35EEF3

background

#F8FCF6

surface

#EFF9EB

border

#CAD2C6

text

#0B1307

muted

#7C827A

Preview Lab

Preview with #18B31C

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

Preview Lab → · Contrast checker → · Palette generator →