#A3F178#A3F178

#A3F178 is a very light, vivid yellow-green. Relative luminance 0.721; OKLCH L 88.1% C 0.173 H 135.6°. Best body text is #000000 at 15.41:1 contrast (WCAG AA passes).

Color values

HEX	#A3F178
RGB	rgb(163, 241, 120)
HSL	hsl(99, 81%, 71%)
HSV	hsv(99, 50%, 95%)
CMYK	cmyk(32.4%, 0%, 50.2%, 5.5%)
CIE-LAB	lab(87.99, -44.76, 50.56)
CIE-LCH	lch(87.99, 67.52, 131.52°)
OKLab	oklab(88.11% -0.1234 0.121)
OKLCH	oklch(88.11% 0.173 135.6)
XYZ	xyz(49.9485, 72.0512, 29.0412)
Luminance	0.7205 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3F178 #C678F1

analogous

#DFF178 #A3F178 #78F189

triadic

#A3F178 #78A3F1 #F178A3

tetradic

#A3F178 #78DFF1 #C678F1 #F18978

square

#A3F178 #78DFF1 #C678F1 #F18978

split-complementary

#A3F178 #8978F1 #F178DF

monochromatic

#5BD816 #7DEB41 #A3F178 #C9F7AF #ECFCE3

Accessibility & contrast

On white

1.36

#A3F178 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.41

#A3F178 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3F178

15.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3F178	#FFFFFF	#000000	##000000
##A3F178	1.00	1.36	15.41	15.41
#FFFFFF	1.36	1.00	21.00	21.00
#000000	15.41	21.00	1.00	1.00
##000000	15.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F9E16D

Deuteranopia (green-blind)

#EDDA80

Tritanopia (blue-blind)

#A1E9D5

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #a3f178;
/* rgb */ color: rgb(163, 241, 120);
/* oklch */ color: oklch(88.1% 0.173 135.6);

Tailwind

colors: {
  custom: {
    50: '#c2f6a1',
    500: '#a3f178',
    950: '#000000',
  },
}

SCSS

$custom: #a3f178;
$custom-light: #c2f6a1;
$custom-dark: #000000;

JSON

{
  "hex": "#a3f178",
  "rgb": {
    "r": 163,
    "g": 241,
    "b": 120
  },
  "hsl": {
    "h": 98.678,
    "s": 81.208,
    "l": 70.784
  },
  "oklch": {
    "l": 0.88114,
    "c": 0.17285,
    "h": 135.6
  },
  "luminance": 0.72053
}

Semantic roles & 50–950 ramp

primary

#A3F178

secondary

#9A42CB

accent

#08DE92

background

#FDFFFC

surface

#F9FEF5

border

#D2D6CF

text

#13170F

muted

#828580

Preview Lab

Preview with #A3F178

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

Preview Lab → · Contrast checker → · Palette generator →