#A6F978#A6F978

#A6F978 is a very light, vivid yellow-green. Relative luminance 0.772; OKLCH L 90.1% C 0.182 H 135.6°. Best body text is #000000 at 16.44:1 contrast (WCAG AA passes).

Color values

HEX	#A6F978
RGB	rgb(166, 249, 120)
HSL	hsl(99, 91%, 72%)
HSV	hsv(99, 52%, 98%)
CMYK	cmyk(33.3%, 0%, 51.8%, 2.4%)
CIE-LAB	lab(90.42, -47.18, 53.52)
CIE-LCH	lch(90.42, 71.35, 131.40°)
OKLab	oklab(90.13% -0.1302 0.1275)
OKLCH	oklch(90.13% 0.182 135.6)
XYZ	xyz(52.9904, 77.2122, 29.8771)
Luminance	0.7721 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6F978 #CB78F9

analogous

#E6F978 #A6F978 #78F98B

triadic

#A6F978 #78A6F9 #F978A6

tetradic

#A6F978 #78E6F9 #CB78F9 #F98B78

square

#A6F978 #78E6F9 #CB78F9 #F98B78

split-complementary

#A6F978 #8B78F9 #F978E6

monochromatic

#5BEC0A #7FF63D #A6F978 #CDFCB3 #ECFEE2

Accessibility & contrast

On white

1.28

#A6F978 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.44

#A6F978 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A6F978

16.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6F978	#FFFFFF	#000000	##000000
##A6F978	1.00	1.28	16.44	16.44
#FFFFFF	1.28	1.00	21.00	21.00
#000000	16.44	21.00	1.00	1.00
##000000	16.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE86C

Deuteranopia (green-blind)

#F5E181

Tritanopia (blue-blind)

#A4F1DC

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #a6f978;
/* rgb */ color: rgb(166, 249, 120);
/* oklch */ color: oklch(90.1% 0.182 135.6);

Tailwind

colors: {
  custom: {
    50: '#c4fba2',
    500: '#a6f978',
    950: '#000000',
  },
}

SCSS

$custom: #a6f978;
$custom-light: #c4fba2;
$custom-dark: #000000;

JSON

{
  "hex": "#a6f978",
  "rgb": {
    "r": 166,
    "g": 249,
    "b": 120
  },
  "hsl": {
    "h": 98.605,
    "s": 91.489,
    "l": 72.353
  },
  "oklch": {
    "l": 0.90126,
    "c": 0.18227,
    "h": 135.6
  },
  "luminance": 0.77214
}

Semantic roles & 50–950 ramp

primary

#A6F978

secondary

#A040D5

accent

#00E694

background

#FDFFFC

surface

#F9FFF6

border

#D2D7D0

text

#13170F

muted

#828580

Preview Lab

Preview with #A6F978

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

Preview Lab → · Contrast checker → · Palette generator →