#A9E557#A9E557

#A9E557 is a very light, vivid yellow-green. Relative luminance 0.652; OKLCH L 85.3% C 0.182 H 129.1°. Best body text is #000000 at 14.03:1 contrast (WCAG AA passes).

Color values

HEX	#A9E557
RGB	rgb(169, 229, 87)
HSL	hsl(85, 73%, 62%)
HSV	hsv(85, 62%, 90%)
CMYK	cmyk(26.2%, 0%, 62%, 10.2%)
CIE-LAB	lab(84.57, -40.62, 61.31)
CIE-LCH	lch(84.57, 73.55, 123.53°)
OKLab	oklab(85.31% -0.1147 0.1412)
OKLCH	oklch(85.31% 0.182 129.1)
XYZ	xyz(46.1016, 65.1607, 19.1633)
Luminance	0.6516 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9E557 #9357E5

analogous

#E5DA57 #A9E557 #62E557

triadic

#A9E557 #57A9E5 #E557A9

tetradic

#A9E557 #57E5DA #9357E5 #E55762

square

#A9E557 #57E5DA #9357E5 #E55762

split-complementary

#A9E557 #5762E5 #DA57E5

monochromatic

#6CA81A #8EDD22 #A9E557 #C4ED8C #DFF5C1

Accessibility & contrast

On white

1.50

#A9E557 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.03

#A9E557 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9E557

14.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9E557	#FFFFFF	#000000	##000000
##A9E557	1.00	1.50	14.03	14.03
#FFFFFF	1.50	1.00	21.00	21.00
#000000	14.03	21.00	1.00	1.00
##000000	14.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD646

Deuteranopia (green-blind)

#E7D262

Tritanopia (blue-blind)

#AEDCC7

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #a9e557;
/* rgb */ color: rgb(169, 229, 87);
/* oklch */ color: oklch(85.3% 0.182 129.1);

Tailwind

colors: {
  custom: {
    50: '#c6ed8c',
    500: '#a9e557',
    950: '#000000',
  },
}

SCSS

$custom: #a9e557;
$custom-light: #c6ed8c;
$custom-dark: #000000;

JSON

{
  "hex": "#a9e557",
  "rgb": {
    "r": 169,
    "g": 229,
    "b": 87
  },
  "hsl": {
    "h": 85.352,
    "s": 73.196,
    "l": 61.961
  },
  "oklch": {
    "l": 0.8531,
    "c": 0.18196,
    "h": 129.1
  },
  "luminance": 0.65162
}

Semantic roles & 50–950 ramp

primary

#A9E557

secondary

#6737AA

accent

#10D563

background

#FEFFFC

surface

#FAFEF4

border

#D3D6CE

text

#13160C

muted

#83857F

Preview Lab

Preview with #A9E557

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

Preview Lab → · Contrast checker → · Palette generator →