#9FF663#9FF663

#9FF663 is a very light, vivid yellow-green. Relative luminance 0.742; OKLCH L 88.8% C 0.199 H 134.5°. Best body text is #000000 at 15.84:1 contrast (WCAG AA passes).

Color values

HEX	#9FF663
RGB	rgb(159, 246, 99)
HSL	hsl(96, 89%, 68%)
HSV	hsv(96, 60%, 96%)
CMYK	cmyk(35.4%, 0%, 59.8%, 3.5%)
CIE-LAB	lab(89.01, -50.33, 61.06)
CIE-LCH	lch(89.01, 79.13, 129.50°)
OKLab	oklab(88.82% -0.1399 0.1421)
OKLCH	oklch(88.82% 0.199 134.5)
XYZ	xyz(49.5049, 74.1811, 23.5119)
Luminance	0.7418 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Grass Green

#9AF764

ΔE00 0.73

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#9FF663 #BA63F6

analogous

#E9F663 #9FF663 #63F670

triadic

#9FF663 #639FF6 #F6639F

tetradic

#9FF663 #63E9F6 #BA63F6 #F67063

square

#9FF663 #63E9F6 #BA63F6 #F67063

split-complementary

#9FF663 #7063F6 #F663E9

monochromatic

#5DD20C #7BF329 #9FF663 #C3F99D #E6FDD7

Accessibility & contrast

On white

1.33

#9FF663 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.84

#9FF663 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #9FF663

15.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##9FF663	#FFFFFF	#000000	##000000
##9FF663	1.00	1.33	15.84	15.84
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.84	21.00	1.00	1.00
##000000	15.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE453

Deuteranopia (green-blind)

#F2DD6E

Tritanopia (blue-blind)

#9EEDD7

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #9ff663;
/* rgb */ color: rgb(159, 246, 99);
/* oklch */ color: oklch(88.8% 0.199 134.5);

Tailwind

colors: {
  custom: {
    50: '#c0f994',
    500: '#9ff663',
    950: '#000000',
  },
}

SCSS

$custom: #9ff663;
$custom-light: #c0f994;
$custom-dark: #000000;

JSON

{
  "hex": "#9ff663",
  "rgb": {
    "r": 159,
    "g": 246,
    "b": 99
  },
  "hsl": {
    "h": 95.51,
    "s": 89.091,
    "l": 67.647
  },
  "oklch": {
    "l": 0.88817,
    "c": 0.19941,
    "h": 134.5
  },
  "luminance": 0.74183
}

Semantic roles & 50–950 ramp

primary

#9FF663

secondary

#8D30CE

accent

#00E688

background

#FDFFFC

surface

#F9FFF5

border

#D2D7CF

text

#13170E

muted

#82857F

Preview Lab

Preview with #9FF663

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

Preview Lab → · Contrast checker → · Palette generator →