#9FF66F#9FF66F

#9FF66F is a very light, vivid yellow-green. Relative luminance 0.744; OKLCH L 88.9% C 0.190 H 135.8°. Best body text is #000000 at 15.89:1 contrast (WCAG AA passes).

Color values

HEX	#9FF66F
RGB	rgb(159, 246, 111)
HSL	hsl(99, 88%, 70%)
HSV	hsv(99, 55%, 96%)
CMYK	cmyk(35.4%, 0%, 54.9%, 3.5%)
CIE-LAB	lab(89.12, -49.17, 55.97)
CIE-LCH	lch(89.12, 74.50, 131.30°)
OKLab	oklab(88.95% -0.1359 0.1323)
OKLCH	oklch(88.95% 0.19 135.8)
XYZ	xyz(50.1218, 74.4279, 26.7609)
Luminance	0.7443 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Grass Green

#9AF764

ΔE00 1.28

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#9FF66F #C66FF6

analogous

#E2F66F #9FF66F #6FF683

triadic

#9FF66F #6F9FF6 #F66F9F

tetradic

#9FF66F #6FE2F6 #C66FF6 #F6836F

square

#9FF66F #6FE2F6 #C66FF6 #F6836F

split-complementary

#9FF66F #836FF6 #F66FE2

monochromatic

#57DD0E #79F235 #9FF66F #C5FAA9 #ECFDE2

Accessibility & contrast

On white

1.32

#9FF66F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.89

#9FF66F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #9FF66F

15.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##9FF66F	#FFFFFF	#000000	##000000
##9FF66F	1.00	1.32	15.89	15.89
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.89	21.00	1.00	1.00
##000000	15.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEE562

Deuteranopia (green-blind)

#F2DD78

Tritanopia (blue-blind)

#9DEED8

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #9ff66f;
/* rgb */ color: rgb(159, 246, 111);
/* oklch */ color: oklch(88.9% 0.190 135.8);

Tailwind

colors: {
  custom: {
    50: '#c0f99c',
    500: '#9ff66f',
    950: '#000000',
  },
}

SCSS

$custom: #9ff66f;
$custom-light: #c0f99c;
$custom-dark: #000000;

JSON

{
  "hex": "#9ff66f",
  "rgb": {
    "r": 159,
    "g": 246,
    "b": 111
  },
  "hsl": {
    "h": 98.667,
    "s": 88.235,
    "l": 70
  },
  "oklch": {
    "l": 0.88949,
    "c": 0.18961,
    "h": 135.8
  },
  "luminance": 0.7443
}

Semantic roles & 50–950 ramp

primary

#9FF66F

secondary

#9A39D0

accent

#01E594

background

#FDFFFC

surface

#F9FFF5

border

#D2D7CF

text

#13170E

muted

#82857F

Preview Lab

Preview with #9FF66F

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

Preview Lab → · Contrast checker → · Palette generator →