#9FF866#9FF866

#9FF866 is a very light, vivid yellow-green. Relative luminance 0.755; OKLCH L 89.3% C 0.200 H 135.0°. Best body text is #000000 at 16.09:1 contrast (WCAG AA passes).

Color values

HEX	#9FF866
RGB	rgb(159, 248, 102)
HSL	hsl(97, 91%, 69%)
HSV	hsv(97, 59%, 97%)
CMYK	cmyk(35.9%, 0%, 58.9%, 2.7%)
CIE-LAB	lab(89.61, -50.88, 60.46)
CIE-LCH	lch(89.61, 79.02, 130.08°)
OKLab	oklab(89.32% -0.1412 0.1411)
OKLCH	oklch(89.32% 0.2 135)
XYZ	xyz(50.2626, 75.4627, 24.4852)
Luminance	0.7547 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Grass Green

#9AF764

ΔE00 0.56

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#9FF866 #BF66F8

analogous

#E8F866 #9FF866 #66F876

triadic

#9FF866 #669FF8 #F8669F

tetradic

#9FF866 #66E8F8 #BF66F8 #F87666

square

#9FF866 #66E8F8 #BF66F8 #F87666

split-complementary

#9FF866 #7666F8 #F866E8

monochromatic

#5BDA0A #7AF52B #9FF866 #C4FBA1 #E8FDDB

Accessibility & contrast

On white

1.30

#9FF866 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.09

#9FF866 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #9FF866

16.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##9FF866	#FFFFFF	#000000	##000000
##9FF866	1.00	1.30	16.09	16.09
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.09	21.00	1.00	1.00
##000000	16.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE656

Deuteranopia (green-blind)

#F4DF71

Tritanopia (blue-blind)

#9DEFD9

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #9ff866;
/* rgb */ color: rgb(159, 248, 102);
/* oklch */ color: oklch(89.3% 0.200 135.0);

Tailwind

colors: {
  custom: {
    50: '#c0fb96',
    500: '#9ff866',
    950: '#000000',
  },
}

SCSS

$custom: #9ff866;
$custom-light: #c0fb96;
$custom-dark: #000000;

JSON

{
  "hex": "#9ff866",
  "rgb": {
    "r": 159,
    "g": 248,
    "b": 102
  },
  "hsl": {
    "h": 96.575,
    "s": 91.25,
    "l": 68.627
  },
  "oklch": {
    "l": 0.89316,
    "c": 0.19963,
    "h": 135
  },
  "luminance": 0.75465
}

Semantic roles & 50–950 ramp

primary

#9FF866

secondary

#9331D2

accent

#00E68C

background

#FDFFFC

surface

#F9FFF5

border

#D2D7CF

text

#13170E

muted

#82857F

Preview Lab

Preview with #9FF866

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

Preview Lab → · Contrast checker → · Palette generator →