#A9F359#A9F359

#A9F359 is a very light, vivid yellow-green. Relative luminance 0.733; OKLCH L 88.6% C 0.198 H 131.3°. Best body text is #000000 at 15.65:1 contrast (WCAG AA passes).

Color values

HEX	#A9F359
RGB	rgb(169, 243, 89)
HSL	hsl(89, 87%, 65%)
HSV	hsv(89, 63%, 95%)
CMYK	cmyk(30.5%, 0%, 63.4%, 4.7%)
CIE-LAB	lab(88.57, -46.52, 64.84)
CIE-LCH	lch(88.57, 79.81, 125.66°)
OKLab	oklab(88.57% -0.1308 0.1489)
OKLCH	oklch(88.57% 0.198 131.3)
XYZ	xyz(50.2154, 73.2558, 20.9433)
Luminance	0.7326 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9F359 #A359F3

analogous

#F3F059 #A9F359 #5CF359

triadic

#A9F359 #59A9F3 #F359A9

tetradic

#A9F359 #59F3F0 #A359F3 #F3595C

square

#A9F359 #59F3F0 #A359F3 #F3595C

split-complementary

#A9F359 #595CF3 #F059F3

monochromatic

#6CC30E #8BEF20 #A9F359 #C7F792 #E4FBCB

Accessibility & contrast

On white

1.34

#A9F359 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.65

#A9F359 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9F359

15.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9F359	#FFFFFF	#000000	##000000
##A9F359	1.00	1.34	15.65	15.65
#FFFFFF	1.34	1.00	21.00	21.00
#000000	15.65	21.00	1.00	1.00
##000000	15.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE246

Deuteranopia (green-blind)

#F3DC65

Tritanopia (blue-blind)

#ACE9D3

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #a9f359;
/* rgb */ color: rgb(169, 243, 89);
/* oklch */ color: oklch(88.6% 0.198 131.3);

Tailwind

colors: {
  custom: {
    50: '#c7f78e',
    500: '#a9f359',
    950: '#000000',
  },
}

SCSS

$custom: #a9f359;
$custom-light: #c7f78e;
$custom-dark: #000000;

JSON

{
  "hex": "#a9f359",
  "rgb": {
    "r": 169,
    "g": 243,
    "b": 89
  },
  "hsl": {
    "h": 88.831,
    "s": 86.517,
    "l": 65.098
  },
  "oklch": {
    "l": 0.88567,
    "c": 0.19821,
    "h": 131.3
  },
  "luminance": 0.73257
}

Semantic roles & 50–950 ramp

primary

#A9F359

secondary

#752FC1

accent

#02E36E

background

#FEFFFC

surface

#FAFFF4

border

#D3D7CE

text

#13170D

muted

#83857F

Preview Lab

Preview with #A9F359

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

Preview Lab → · Contrast checker → · Palette generator →