#A9EC66#A9EC66

#A9EC66 is a very light, vivid yellow-green. Relative luminance 0.694; OKLCH L 87.1% C 0.179 H 131.4°. Best body text is #000000 at 14.88:1 contrast (WCAG AA passes).

Color values

HEX	#A9EC66
RGB	rgb(169, 236, 102)
HSL	hsl(90, 78%, 66%)
HSV	hsv(90, 57%, 93%)
CMYK	cmyk(28.4%, 0%, 56.8%, 7.5%)
CIE-LAB	lab(86.69, -42.40, 57.28)
CIE-LCH	lch(86.69, 71.26, 126.51°)
OKLab	oklab(87.08% -0.1184 0.1342)
OKLCH	oklch(87.08% 0.179 131.4)
XYZ	xyz(48.7553, 69.3838, 23.3914)
Luminance	0.6938 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9EC66 #A966EC

analogous

#ECEC66 #A9EC66 #66EC66

triadic

#A9EC66 #66A9EC #EC66A9

tetradic

#A9EC66 #66ECEC #A966EC #EC6666

square

#A9EC66 #66ECEC #A966EC #EC6666

split-complementary

#A9EC66 #6666EC #EC66EC

monochromatic

#6CC018 #8AE530 #A9EC66 #C8F39C #E6FAD3

Accessibility & contrast

On white

1.41

#A9EC66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.88

#A9EC66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9EC66

14.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9EC66	#FFFFFF	#000000	##000000
##A9EC66	1.00	1.41	14.88	14.88
#FFFFFF	1.41	1.00	21.00	21.00
#000000	14.88	21.00	1.00	1.00
##000000	14.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F5DC58

Deuteranopia (green-blind)

#ECD76F

Tritanopia (blue-blind)

#ACE3CF

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #a9ec66;
/* rgb */ color: rgb(169, 236, 102);
/* oklch */ color: oklch(87.1% 0.179 131.4);

Tailwind

colors: {
  custom: {
    50: '#c6f296',
    500: '#a9ec66',
    950: '#000000',
  },
}

SCSS

$custom: #a9ec66;
$custom-light: #c6f296;
$custom-dark: #000000;

JSON

{
  "hex": "#a9ec66",
  "rgb": {
    "r": 169,
    "g": 236,
    "b": 102
  },
  "hsl": {
    "h": 90,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.8708,
    "c": 0.17898,
    "h": 131.4
  },
  "luminance": 0.69385
}

Semantic roles & 50–950 ramp

primary

#A9EC66

secondary

#7B38BE

accent

#0BDA73

background

#FEFFFC

surface

#FAFEF5

border

#D3D6CF

text

#13170E

muted

#83857F

Preview Lab

Preview with #A9EC66

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

Preview Lab → · Contrast checker → · Palette generator →