#18B440#18B440

#18B440 is a light, vivid green. Relative luminance 0.332; OKLCH L 67.2% C 0.198 H 146.2°. Best body text is #000000 at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#18B440
RGB	rgb(24, 180, 64)
HSL	hsl(135, 76%, 40%)
HSV	hsv(135, 87%, 71%)
CMYK	cmyk(86.7%, 0%, 64.4%, 29.4%)
CIE-LAB	lab(64.33, -61.13, 47.28)
CIE-LCH	lch(64.33, 77.28, 142.28°)
OKLab	oklab(67.23% -0.1644 0.1102)
OKLCH	oklch(67.23% 0.198 146.2)
XYZ	xyz(17.6220, 33.2046, 10.3299)
Luminance	0.3321 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18B440 #B4188C

analogous

#3EB418 #18B440 #18B48E

triadic

#18B440 #4018B4 #B44018

tetradic

#18B440 #183EB4 #B4188C #B48E18

square

#18B440 #183EB4 #B4188C #B48E18

split-complementary

#18B440 #8E18B4 #B4183E

monochromatic

#0A481A #117E2D #18B440 #27E257 #5DE981

Accessibility & contrast

On white

2.75

#18B440 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.64

#18B440 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #18B440

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18B440	#FFFFFF	#000000	##000000
##18B440	1.00	2.75	7.64	7.64
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.64	21.00	1.00	1.00
##000000	7.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A332

Deuteranopia (green-blind)

#A7984A

Tritanopia (blue-blind)

#00B09C

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #18b440;
/* rgb */ color: rgb(24, 180, 64);
/* oklch */ color: oklch(67.2% 0.198 146.2);

Tailwind

colors: {
  custom: {
    50: '#76cc79',
    500: '#18b440',
    950: '#000000',
  },
}

SCSS

$custom: #18b440;
$custom-light: #76cc79;
$custom-dark: #000000;

JSON

{
  "hex": "#18b440",
  "rgb": {
    "r": 24,
    "g": 180,
    "b": 64
  },
  "hsl": {
    "h": 135.385,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.67233,
    "c": 0.19786,
    "h": 146.2
  },
  "luminance": 0.33207
}

Semantic roles & 50–950 ramp

primary

#18B440

secondary

#CD5BB0

accent

#35C2F3

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0A1309

muted

#7C827B

Preview Lab

Preview with #18B440

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

Preview Lab → · Contrast checker → · Palette generator →