#99FC4B#99FC4B

#99FC4B is a very light, highly saturated yellow-green. Relative luminance 0.769; OKLCH L 89.7% C 0.226 H 134.4°. Best body text is #000000 at 16.38:1 contrast (WCAG AA passes).

Color values

HEX	#99FC4B
RGB	rgb(153, 252, 75)
HSL	hsl(94, 97%, 64%)
HSV	hsv(94, 70%, 99%)
CMYK	cmyk(39.3%, 0%, 70.2%, 1.2%)
CIE-LAB	lab(90.27, -56.57, 71.66)
CIE-LCH	lch(90.27, 91.30, 128.29°)
OKLab	oklab(89.72% -0.1583 0.1617)
OKLCH	oklch(89.72% 0.226 134.4)
XYZ	xyz(49.2163, 76.8986, 18.9049)
Luminance	0.7690 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99FC4B #AE4BFC

analogous

#F2FC4B #99FC4B #4BFC56

triadic

#99FC4B #4B99FC #FC4B99

tetradic

#99FC4B #4BF2FC #AE4BFC #FC564B

square

#99FC4B #4BF2FC #AE4BFC #FC564B

split-complementary

#99FC4B #564BFC #FC4BF2

monochromatic

#5BC903 #77FB0F #99FC4B #BBFD87 #DDFEC3

Accessibility & contrast

On white

1.28

#99FC4B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.38

#99FC4B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99FC4B

16.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99FC4B	#FFFFFF	#000000	##000000
##99FC4B	1.00	1.28	16.38	16.38
#FFFFFF	1.28	1.00	21.00	21.00
#000000	16.38	21.00	1.00	1.00
##000000	16.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE82D

Deuteranopia (green-blind)

#F8E05C

Tritanopia (blue-blind)

#98F2D9

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #99fc4b;
/* rgb */ color: rgb(153, 252, 75);
/* oklch */ color: oklch(89.7% 0.226 134.4);

Tailwind

colors: {
  custom: {
    50: '#befe87',
    500: '#99fc4b',
    950: '#000000',
  },
}

SCSS

$custom: #99fc4b;
$custom-light: #befe87;
$custom-dark: #000000;

JSON

{
  "hex": "#99fc4b",
  "rgb": {
    "r": 153,
    "g": 252,
    "b": 75
  },
  "hsl": {
    "h": 93.559,
    "s": 96.721,
    "l": 64.118
  },
  "oklch": {
    "l": 0.89718,
    "c": 0.22626,
    "h": 134.4
  },
  "luminance": 0.76901
}

Semantic roles & 50–950 ramp

primary

#99FC4B

secondary

#7F26C5

accent

#00E680

background

#FDFFFC

surface

#F9FFF4

border

#D2D7CE

text

#13180C

muted

#82867F

Preview Lab

Preview with #99FC4B

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

Preview Lab → · Contrast checker → · Palette generator →