#A9E559#A9E559

#A9E559 is a very light, vivid yellow-green. Relative luminance 0.652; OKLCH L 85.3% C 0.180 H 129.2°. Best body text is #000000 at 14.04:1 contrast (WCAG AA passes).

Color values

HEX	#A9E559
RGB	rgb(169, 229, 89)
HSL	hsl(86, 73%, 62%)
HSV	hsv(86, 61%, 90%)
CMYK	cmyk(26.2%, 0%, 61.1%, 10.2%)
CIE-LAB	lab(84.58, -40.46, 60.49)
CIE-LCH	lch(84.58, 72.78, 123.78°)
OKLab	oklab(85.33% -0.1141 0.1397)
OKLCH	oklch(85.33% 0.18 129.2)
XYZ	xyz(46.1844, 65.1938, 19.5996)
Luminance	0.6520 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9E559 #9559E5

analogous

#E5DB59 #A9E559 #63E559

triadic

#A9E559 #59A9E5 #E559A9

tetradic

#A9E559 #59E5DB #9559E5 #E55963

square

#A9E559 #59E5DB #9559E5 #E55963

split-complementary

#A9E559 #5963E5 #DB59E5

monochromatic

#6CA91A #8EDD24 #A9E559 #C4ED8E #E0F6C3

Accessibility & contrast

On white

1.50

#A9E559 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.04

#A9E559 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9E559

14.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9E559	#FFFFFF	#000000	##000000
##A9E559	1.00	1.50	14.04	14.04
#FFFFFF	1.50	1.00	21.00	21.00
#000000	14.04	21.00	1.00	1.00
##000000	14.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD649

Deuteranopia (green-blind)

#E7D263

Tritanopia (blue-blind)

#ADDCC7

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #a9e559;
/* rgb */ color: rgb(169, 229, 89);
/* oklch */ color: oklch(85.3% 0.180 129.2);

Tailwind

colors: {
  custom: {
    50: '#c6ed8d',
    500: '#a9e559',
    950: '#000000',
  },
}

SCSS

$custom: #a9e559;
$custom-light: #c6ed8d;
$custom-dark: #000000;

JSON

{
  "hex": "#a9e559",
  "rgb": {
    "r": 169,
    "g": 229,
    "b": 89
  },
  "hsl": {
    "h": 85.714,
    "s": 72.917,
    "l": 62.353
  },
  "oklch": {
    "l": 0.8533,
    "c": 0.18042,
    "h": 129.2
  },
  "luminance": 0.65195
}

Semantic roles & 50–950 ramp

primary

#A9E559

secondary

#6937AB

accent

#10D565

background

#FEFFFC

surface

#FAFEF4

border

#D3D6CE

text

#13160D

muted

#83857F

Preview Lab

Preview with #A9E559

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

Preview Lab → · Contrast checker → · Palette generator →