#99F366#99F366

#99F366 is a very light, vivid yellow-green. Relative luminance 0.718; OKLCH L 87.8% C 0.196 H 135.8°. Best body text is #000000 at 15.37:1 contrast (WCAG AA passes).

Color values

HEX	#99F366
RGB	rgb(153, 243, 102)
HSL	hsl(98, 85%, 68%)
HSV	hsv(98, 58%, 95%)
CMYK	cmyk(37%, 0%, 58%, 4.7%)
CIE-LAB	lab(87.89, -50.77, 58.43)
CIE-LCH	lch(87.89, 77.40, 130.99°)
OKLab	oklab(87.84% -0.1405 0.1368)
OKLCH	oklch(87.84% 0.196 135.8)
XYZ	xyz(47.5846, 71.8305, 23.9252)
Luminance	0.7183 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Grass Green

#9AF764

ΔE00 0.96

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99F366 #C066F3

analogous

#DFF366 #99F366 #66F379

triadic

#99F366 #6699F3 #F36699

tetradic

#99F366 #66DFF3 #C066F3 #F37966

square

#99F366 #66DFF3 #C066F3 #F37966

split-complementary

#99F366 #7966F3 #F366DF

monochromatic

#55CE10 #73EF2D #99F366 #BFF79F #E5FCD7

Accessibility & contrast

On white

1.37

#99F366 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.37

#99F366 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99F366

15.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99F366	#FFFFFF	#000000	##000000
##99F366	1.00	1.37	15.37	15.37
#FFFFFF	1.37	1.00	21.00	21.00
#000000	15.37	21.00	1.00	1.00
##000000	15.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FBE157

Deuteranopia (green-blind)

#EEDA70

Tritanopia (blue-blind)

#97EBD4

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #99f366;
/* rgb */ color: rgb(153, 243, 102);
/* oklch */ color: oklch(87.8% 0.196 135.8);

Tailwind

colors: {
  custom: {
    50: '#bcf796',
    500: '#99f366',
    950: '#000000',
  },
}

SCSS

$custom: #99f366;
$custom-light: #bcf796;
$custom-dark: #000000;

JSON

{
  "hex": "#99f366",
  "rgb": {
    "r": 153,
    "g": 243,
    "b": 102
  },
  "hsl": {
    "h": 98.298,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.87835,
    "c": 0.19615,
    "h": 135.8
  },
  "luminance": 0.71833
}

Semantic roles & 50–950 ramp

primary

#99F366

secondary

#9433CA

accent

#04E292

background

#FDFFFC

surface

#F9FFF5

border

#D2D7CF

text

#12170E

muted

#82857F

Preview Lab

Preview with #99F366

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

Preview Lab → · Contrast checker → · Palette generator →