#99D423#99D423

#99D423 is a light, vivid yellow-green. Relative luminance 0.540; OKLCH L 80.0% C 0.199 H 127.7°. Best body text is #000000 at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#99D423
RGB	rgb(153, 212, 35)
HSL	hsl(80, 72%, 48%)
HSV	hsv(80, 83%, 83%)
CMYK	cmyk(27.8%, 0%, 83.5%, 16.9%)
CIE-LAB	lab(78.45, -42.08, 72.43)
CIE-LCH	lch(78.45, 83.77, 120.16°)
OKLab	oklab(80.01% -0.1216 0.1575)
OKLCH	oklch(80.01% 0.199 127.7)
XYZ	xyz(36.9838, 53.9798, 10.0604)
Luminance	0.5398 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99D423 #5E23D4

analogous

#D4B623 #99D423 #40D423

triadic

#99D423 #2399D4 #D42399

tetradic

#99D423 #23D4B6 #5E23D4 #D42340

square

#99D423 #23D4B6 #5E23D4 #D42340

split-complementary

#99D423 #2340D4 #B623D4

monochromatic

#4D6B12 #739F1A #99D423 #B2E252 #C9EB86

Accessibility & contrast

On white

1.78

#99D423 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.80

#99D423 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99D423

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99D423	#FFFFFF	#000000	##000000
##99D423	1.00	1.78	11.80	11.80
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.80	21.00	1.00	1.00
##000000	11.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC500

Deuteranopia (green-blind)

#D7C139

Tritanopia (blue-blind)

#9FCAB5

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #99d423;
/* rgb */ color: rgb(153, 212, 35);
/* oklch */ color: oklch(80.0% 0.199 127.7);

Tailwind

colors: {
  custom: {
    50: '#bce170',
    500: '#99d423',
    950: '#000000',
  },
}

SCSS

$custom: #99d423;
$custom-light: #bce170;
$custom-dark: #000000;

JSON

{
  "hex": "#99d423",
  "rgb": {
    "r": 153,
    "g": 212,
    "b": 35
  },
  "hsl": {
    "h": 80,
    "s": 71.66,
    "l": 48.431
  },
  "oklch": {
    "l": 0.80005,
    "c": 0.19903,
    "h": 127.7
  },
  "luminance": 0.53981
}

Semantic roles & 50–950 ramp

primary

#99D423

secondary

#412775

accent

#39EE76

background

#FDFEFB

surface

#F9FCF1

border

#D2D5CB

text

#131509

muted

#82847D

Preview Lab

Preview with #99D423

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

Preview Lab → · Contrast checker → · Palette generator →