#A9F378#A9F378

#A9F378 is a very light, vivid yellow-green. Relative luminance 0.739; OKLCH L 88.9% C 0.173 H 134.3°. Best body text is #000000 at 15.78:1 contrast (WCAG AA passes).

Color values

HEX	#A9F378
RGB	rgb(169, 243, 120)
HSL	hsl(96, 84%, 71%)
HSV	hsv(96, 51%, 95%)
CMYK	cmyk(30.5%, 0%, 50.6%, 4.7%)
CIE-LAB	lab(88.87, -43.61, 51.69)
CIE-LCH	lch(88.87, 67.63, 130.15°)
OKLab	oklab(88.91% -0.1205 0.1235)
OKLCH	oklch(88.91% 0.173 134.3)
XYZ	xyz(51.8019, 73.8904, 29.2986)
Luminance	0.7389 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9F378 #C278F3

analogous

#E6F378 #A9F378 #78F384

triadic

#A9F378 #78A9F3 #F378A9

tetradic

#A9F378 #78E6F3 #C278F3 #F38478

square

#A9F378 #78E6F3 #C278F3 #F38478

split-complementary

#A9F378 #8478F3 #F378E6

monochromatic

#64DD14 #85EE40 #A9F378 #CDF8B0 #EDFDE3

Accessibility & contrast

On white

1.33

#A9F378 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.78

#A9F378 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9F378

15.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9F378	#FFFFFF	#000000	##000000
##A9F378	1.00	1.33	15.78	15.78
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.78	21.00	1.00	1.00
##000000	15.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FBE36D

Deuteranopia (green-blind)

#F0DD80

Tritanopia (blue-blind)

#A9EBD7

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #a9f378;
/* rgb */ color: rgb(169, 243, 120);
/* oklch */ color: oklch(88.9% 0.173 134.3);

Tailwind

colors: {
  custom: {
    50: '#c6f7a1',
    500: '#a9f378',
    950: '#000000',
  },
}

SCSS

$custom: #a9f378;
$custom-light: #c6f7a1;
$custom-dark: #000000;

JSON

{
  "hex": "#a9f378",
  "rgb": {
    "r": 169,
    "g": 243,
    "b": 120
  },
  "hsl": {
    "h": 96.098,
    "s": 83.673,
    "l": 71.176
  },
  "oklch": {
    "l": 0.88909,
    "c": 0.17255,
    "h": 134.3
  },
  "luminance": 0.73892
}

Semantic roles & 50–950 ramp

primary

#A9F378

secondary

#9642CE

accent

#05E089

background

#FDFFFC

surface

#F9FFF5

border

#D2D7CF

text

#13170F

muted

#828580

Preview Lab

Preview with #A9F378

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

Preview Lab → · Contrast checker → · Palette generator →