#99D43F#99D43F

#99D43F is a light, vivid yellow-green. Relative luminance 0.542; OKLCH L 80.2% C 0.185 H 128.8°. Best body text is #000000 at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#99D43F
RGB	rgb(153, 212, 63)
HSL	hsl(84, 63%, 54%)
HSV	hsv(84, 70%, 83%)
CMYK	cmyk(27.8%, 0%, 70.3%, 16.9%)
CIE-LAB	lab(78.59, -40.74, 64.13)
CIE-LCH	lch(78.59, 75.98, 122.42°)
OKLab	oklab(80.16% -0.1161 0.1443)
OKLCH	oklch(80.16% 0.185 128.8)
XYZ	xyz(37.5775, 54.2172, 13.1868)
Luminance	0.5422 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99D43F #7A3FD4

analogous

#D4C43F #99D43F #4FD43F

triadic

#99D43F #3F99D4 #D43F99

tetradic

#99D43F #3FD4C4 #7A3FD4 #D43F4F

square

#99D43F #3FD4C4 #7A3FD4 #D43F4F

split-complementary

#99D43F #3F4FD4 #C43FD4

monochromatic

#567D1C #79AF27 #99D43F #B4DF71 #CEEAA3

Accessibility & contrast

On white

1.77

#99D43F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.84

#99D43F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99D43F

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99D43F	#FFFFFF	#000000	##000000
##99D43F	1.00	1.77	11.84	11.84
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.84	21.00	1.00	1.00
##000000	11.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC526

Deuteranopia (green-blind)

#D6C14C

Tritanopia (blue-blind)

#9ECBB7

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #99d43f;
/* rgb */ color: rgb(153, 212, 63);
/* oklch */ color: oklch(80.2% 0.185 128.8);

Tailwind

colors: {
  custom: {
    50: '#bbe17d',
    500: '#99d43f',
    950: '#000000',
  },
}

SCSS

$custom: #99d43f;
$custom-light: #bbe17d;
$custom-dark: #000000;

JSON

{
  "hex": "#99d43f",
  "rgb": {
    "r": 153,
    "g": 212,
    "b": 63
  },
  "hsl": {
    "h": 83.758,
    "s": 63.404,
    "l": 53.922
  },
  "oklch": {
    "l": 0.80162,
    "c": 0.18518,
    "h": 128.8
  },
  "luminance": 0.54218
}

Semantic roles & 50–950 ramp

primary

#99D43F

secondary

#533384

accent

#41E683

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#12150A

muted

#82847D

Preview Lab

Preview with #99D43F

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

Preview Lab → · Contrast checker → · Palette generator →