#99F663#99F663

#99F663 is a very light, highly saturated yellow-green. Relative luminance 0.736; OKLCH L 88.5% C 0.202 H 135.7°. Best body text is #000000 at 15.72:1 contrast (WCAG AA passes).

Color values

HEX	#99F663
RGB	rgb(153, 246, 99)
HSL	hsl(98, 89%, 68%)
HSV	hsv(98, 60%, 96%)
CMYK	cmyk(37.8%, 0%, 59.8%, 3.5%)
CIE-LAB	lab(88.72, -52.28, 60.66)
CIE-LCH	lch(88.72, 80.08, 130.75°)
OKLab	oklab(88.51% -0.1449 0.1413)
OKLCH	oklch(88.51% 0.202 135.7)
XYZ	xyz(48.3436, 73.5823, 23.4575)
Luminance	0.7359 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Grass Green

#9AF764

ΔE00 0.22

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99F663 #C063F6

analogous

#E3F663 #99F663 #63F676

triadic

#99F663 #6399F6 #F66399

tetradic

#99F663 #63E3F6 #C063F6 #F67663

square

#99F663 #63E3F6 #C063F6 #F67663

split-complementary

#99F663 #7663F6 #F663E3

monochromatic

#55D20C #73F329 #99F663 #BFF99D #E5FDD7

Accessibility & contrast

On white

1.34

#99F663 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.72

#99F663 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99F663

15.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99F663	#FFFFFF	#000000	##000000
##99F663	1.00	1.34	15.72	15.72
#FFFFFF	1.34	1.00	21.00	21.00
#000000	15.72	21.00	1.00	1.00
##000000	15.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEE453

Deuteranopia (green-blind)

#F1DC6E

Tritanopia (blue-blind)

#96EED7

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #99f663;
/* rgb */ color: rgb(153, 246, 99);
/* oklch */ color: oklch(88.5% 0.202 135.7);

Tailwind

colors: {
  custom: {
    50: '#bcfa94',
    500: '#99f663',
    950: '#000000',
  },
}

SCSS

$custom: #99f663;
$custom-light: #bcfa94;
$custom-dark: #000000;

JSON

{
  "hex": "#99f663",
  "rgb": {
    "r": 153,
    "g": 246,
    "b": 99
  },
  "hsl": {
    "h": 97.959,
    "s": 89.091,
    "l": 67.647
  },
  "oklch": {
    "l": 0.8851,
    "c": 0.2024,
    "h": 135.7
  },
  "luminance": 0.73585
}

Semantic roles & 50–950 ramp

primary

#99F663

secondary

#9430CE

accent

#00E691

background

#FDFFFC

surface

#F9FFF5

border

#D2D7CF

text

#12170E

muted

#82857F

Preview Lab

Preview with #99F663

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

Preview Lab → · Contrast checker → · Palette generator →