#819F18#819F18

#819F18 is a light, vivid yellow-green. Relative luminance 0.295; OKLCH L 65.6% C 0.153 H 122.5°. Best body text is #000000 at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#819F18
RGB	rgb(129, 159, 24)
HSL	hsl(73, 74%, 36%)
HSV	hsv(73, 85%, 62%)
CMYK	cmyk(18.9%, 0%, 84.9%, 37.6%)
CIE-LAB	lab(61.25, -27.76, 59.59)
CIE-LCH	lch(61.25, 65.74, 114.98°)
OKLab	oklab(65.65% -0.0822 0.1291)
OKLCH	oklch(65.65% 0.153 122.5)
XYZ	xyz(21.6166, 29.5293, 5.4249)
Luminance	0.2953 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#819F18 #36189F

analogous

#9F7918 #819F18 #3E9F18

triadic

#819F18 #18819F #9F1881

tetradic

#819F18 #189F79 #36189F #9F183E

square

#819F18 #189F79 #36189F #9F183E

split-complementary

#819F18 #183E9F #79189F

monochromatic

#2B3508 #566A10 #819F18 #ACD420 #C3E44D

Accessibility & contrast

On white

3.04

#819F18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.91

#819F18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #819F18

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##819F18	#FFFFFF	#000000	##000000
##819F18	1.00	3.04	6.91	6.91
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.91	21.00	1.00	1.00
##000000	6.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A99500

Deuteranopia (green-blind)

#A59428

Tritanopia (blue-blind)

#889687

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #819f18;
/* rgb */ color: rgb(129, 159, 24);
/* oklch */ color: oklch(65.6% 0.153 122.5);

Tailwind

colors: {
  custom: {
    50: '#aabb64',
    500: '#819f18',
    950: '#000000',
  },
}

SCSS

$custom: #819f18;
$custom-light: #aabb64;
$custom-dark: #000000;

JSON

{
  "hex": "#819f18",
  "rgb": {
    "r": 129,
    "g": 159,
    "b": 24
  },
  "hsl": {
    "h": 73.333,
    "s": 73.77,
    "l": 35.882
  },
  "oklch": {
    "l": 0.6565,
    "c": 0.15307,
    "h": 122.5
  },
  "luminance": 0.29529
}

Semantic roles & 50–950 ramp

primary

#819F18

secondary

#684DC6

accent

#37F060

background

#FAFBF6

surface

#F4F6EB

border

#CED0C6

text

#101106

muted

#7F807A

Preview Lab

Preview with #819F18

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

Preview Lab → · Contrast checker → · Palette generator →