#9EFC66#9EFC66

#9EFC66 is a very light, highly saturated yellow-green. Relative luminance 0.778; OKLCH L 90.2% C 0.205 H 135.5°. Best body text is #000000 at 16.57:1 contrast (WCAG AA passes).

Color values

HEX	#9EFC66
RGB	rgb(158, 252, 102)
HSL	hsl(98, 96%, 69%)
HSV	hsv(98, 60%, 99%)
CMYK	cmyk(37.3%, 0%, 59.5%, 1.2%)
CIE-LAB	lab(90.71, -52.84, 61.69)
CIE-LCH	lch(90.71, 81.23, 130.58°)
OKLab	oklab(90.2% -0.1465 0.1438)
OKLCH	oklch(90.2% 0.205 135.5)
XYZ	xyz(51.3080, 77.8467, 24.8903)
Luminance	0.7785 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Grass Green

#9AF764

ΔE00 1.06

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#9EFC66 #C466FC

analogous

#E9FC66 #9EFC66 #66FC79

triadic

#9EFC66 #669EFC #FC669E

tetradic

#9EFC66 #66E9FC #C466FC #FC7966

square

#9EFC66 #66E9FC #C466FC #FC7966

split-complementary

#9EFC66 #7966FC #FC66E9

monochromatic

#58E304 #78FB2A #9EFC66 #C4FDA2 #EAFEDE

Accessibility & contrast

On white

1.27

#9EFC66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.57

#9EFC66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #9EFC66

16.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##9EFC66	#FFFFFF	#000000	##000000
##9EFC66	1.00	1.27	16.57	16.57
#FFFFFF	1.27	1.00	21.00	21.00
#000000	16.57	21.00	1.00	1.00
##000000	16.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE955

Deuteranopia (green-blind)

#F7E171

Tritanopia (blue-blind)

#9CF3DC

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #9efc66;
/* rgb */ color: rgb(158, 252, 102);
/* oklch */ color: oklch(90.2% 0.205 135.5);

Tailwind

colors: {
  custom: {
    50: '#c0fe97',
    500: '#9efc66',
    950: '#000000',
  },
}

SCSS

$custom: #9efc66;
$custom-light: #c0fe97;
$custom-dark: #000000;

JSON

{
  "hex": "#9efc66",
  "rgb": {
    "r": 158,
    "g": 252,
    "b": 102
  },
  "hsl": {
    "h": 97.6,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.90201,
    "c": 0.20525,
    "h": 135.5
  },
  "luminance": 0.77849
}

Semantic roles & 50–950 ramp

primary

#9EFC66

secondary

#9830D6

accent

#00E690

background

#FDFFFC

surface

#F9FFF5

border

#D2D7CF

text

#13180E

muted

#82867F

Preview Lab

Preview with #9EFC66

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

Preview Lab → · Contrast checker → · Palette generator →