#18B321#18B321

#18B321 is a light, highly saturated green. Relative luminance 0.325; OKLCH L 66.7% C 0.215 H 143.1°. Best body text is #000000 at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#18B321
RGB	rgb(24, 179, 33)
HSL	hsl(123, 76%, 40%)
HSV	hsv(123, 87%, 70%)
CMYK	cmyk(86.6%, 0%, 81.6%, 29.8%)
CIE-LAB	lab(63.79, -63.48, 58.08)
CIE-LCH	lch(63.79, 86.04, 137.54°)
OKLab	oklab(66.72% -0.172 0.129)
OKLCH	oklch(66.72% 0.215 143.1)
XYZ	xyz(16.7702, 32.5421, 6.8359)
Luminance	0.3254 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18B321 #B318AA

analogous

#5CB318 #18B321 #18B36F

triadic

#18B321 #2118B3 #B32118

tetradic

#18B321 #185CB3 #B318AA #B36F18

square

#18B321 #185CB3 #B318AA #B36F18

split-complementary

#18B321 #6F18B3 #B3185C

monochromatic

#0A470D #117D17 #18B321 #26E231 #5CE964

Accessibility & contrast

On white

2.80

#18B321 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.51

#18B321 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #18B321

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18B321	#FFFFFF	#000000	##000000
##18B321	1.00	2.80	7.51	7.51
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.51	21.00	1.00	1.00
##000000	7.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A100

Deuteranopia (green-blind)

#A79634

Tritanopia (blue-blind)

#00AE99

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #18b321;
/* rgb */ color: rgb(24, 179, 33);
/* oklch */ color: oklch(66.7% 0.215 143.1);

Tailwind

colors: {
  custom: {
    50: '#77cb6a',
    500: '#18b321',
    950: '#000000',
  },
}

SCSS

$custom: #18b321;
$custom-light: #77cb6a;
$custom-dark: #000000;

JSON

{
  "hex": "#18b321",
  "rgb": {
    "r": 24,
    "g": 179,
    "b": 33
  },
  "hsl": {
    "h": 123.484,
    "s": 76.355,
    "l": 39.804
  },
  "oklch": {
    "l": 0.66718,
    "c": 0.21496,
    "h": 143.1
  },
  "luminance": 0.32544
}

Semantic roles & 50–950 ramp

primary

#18B321

secondary

#CD5AC6

accent

#35E8F3

background

#F8FCF6

surface

#EFF9EC

border

#CAD2C7

text

#0B1307

muted

#7C827A

Preview Lab

Preview with #18B321

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

Preview Lab → · Contrast checker → · Palette generator →