#9FF666#9FF666

#9FF666 is a very light, vivid yellow-green. Relative luminance 0.742; OKLCH L 88.8% C 0.197 H 134.8°. Best body text is #000000 at 15.85:1 contrast (WCAG AA passes).

Color values

HEX	#9FF666
RGB	rgb(159, 246, 102)
HSL	hsl(96, 89%, 68%)
HSV	hsv(96, 59%, 96%)
CMYK	cmyk(35.4%, 0%, 58.5%, 3.5%)
CIE-LAB	lab(89.04, -50.05, 59.81)
CIE-LCH	lch(89.04, 77.99, 129.92°)
OKLab	oklab(88.85% -0.1389 0.1397)
OKLCH	oklch(88.85% 0.197 134.8)
XYZ	xyz(49.6510, 74.2396, 24.2814)
Luminance	0.7424 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Grass Green

#9AF764

ΔE00 0.65

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#9FF666 #BD66F6

analogous

#E7F666 #9FF666 #66F675

triadic

#9FF666 #669FF6 #F6669F

tetradic

#9FF666 #66E7F6 #BD66F6 #F67566

square

#9FF666 #66E7F6 #BD66F6 #F67566

split-complementary

#9FF666 #7566F6 #F666E7

monochromatic

#5CD50D #7BF32C #9FF666 #C3F9A0 #E8FDDA

Accessibility & contrast

On white

1.33

#9FF666 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.85

#9FF666 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #9FF666

15.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##9FF666	#FFFFFF	#000000	##000000
##9FF666	1.00	1.33	15.85	15.85
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.85	21.00	1.00	1.00
##000000	15.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE456

Deuteranopia (green-blind)

#F2DD71

Tritanopia (blue-blind)

#9EEDD7

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #9ff666;
/* rgb */ color: rgb(159, 246, 102);
/* oklch */ color: oklch(88.8% 0.197 134.8);

Tailwind

colors: {
  custom: {
    50: '#c0f996',
    500: '#9ff666',
    950: '#000000',
  },
}

SCSS

$custom: #9ff666;
$custom-light: #c0f996;
$custom-dark: #000000;

JSON

{
  "hex": "#9ff666",
  "rgb": {
    "r": 159,
    "g": 246,
    "b": 102
  },
  "hsl": {
    "h": 96.25,
    "s": 88.889,
    "l": 68.235
  },
  "oklch": {
    "l": 0.88848,
    "c": 0.19704,
    "h": 134.8
  },
  "luminance": 0.74242
}

Semantic roles & 50–950 ramp

primary

#9FF666

secondary

#9131CF

accent

#00E68B

background

#FDFFFC

surface

#F9FFF5

border

#D2D7CF

text

#13170E

muted

#82857F

Preview Lab

Preview with #9FF666

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

Preview Lab → · Contrast checker → · Palette generator →