#A4E563#A4E563

#A4E563 is a very light, vivid yellow-green. Relative luminance 0.648; OKLCH L 85.1% C 0.175 H 131.4°. Best body text is #000000 at 13.97:1 contrast (WCAG AA passes).

Color values

HEX	#A4E563
RGB	rgb(164, 229, 99)
HSL	hsl(90, 71%, 64%)
HSV	hsv(90, 57%, 90%)
CMYK	cmyk(28.4%, 0%, 56.8%, 10.2%)
CIE-LAB	lab(84.40, -41.38, 55.89)
CIE-LCH	lch(84.40, 69.54, 126.51°)
OKLab	oklab(85.13% -0.1156 0.131)
OKLCH	oklch(85.13% 0.175 131.4)
XYZ	xyz(45.5807, 64.8306, 21.9140)
Luminance	0.6483 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4E563 #A463E5

analogous

#E5E563 #A4E563 #63E563

triadic

#A4E563 #63A4E5 #E563A4

tetradic

#A4E563 #63E5E5 #A463E5 #E56363

square

#A4E563 #63E5E5 #A463E5 #E56363

split-complementary

#A4E563 #6363E5 #E563E5

monochromatic

#67B01D #85DC2F #A4E563 #C3EE97 #E1F6CC

Accessibility & contrast

On white

1.50

#A4E563 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.97

#A4E563 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A4E563

13.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4E563	#FFFFFF	#000000	##000000
##A4E563	1.00	1.50	13.97	13.97
#FFFFFF	1.50	1.00	21.00	21.00
#000000	13.97	21.00	1.00	1.00
##000000	13.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EED656

Deuteranopia (green-blind)

#E5D16C

Tritanopia (blue-blind)

#A6DCC9

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #a4e563;
/* rgb */ color: rgb(164, 229, 99);
/* oklch */ color: oklch(85.1% 0.175 131.4);

Tailwind

colors: {
  custom: {
    50: '#c2ed93',
    500: '#a4e563',
    950: '#000000',
  },
}

SCSS

$custom: #a4e563;
$custom-light: #c2ed93;
$custom-dark: #000000;

JSON

{
  "hex": "#a4e563",
  "rgb": {
    "r": 164,
    "g": 229,
    "b": 99
  },
  "hsl": {
    "h": 90,
    "s": 71.429,
    "l": 64.314
  },
  "oklch": {
    "l": 0.85134,
    "c": 0.17468,
    "h": 131.4
  },
  "luminance": 0.64832
}

Semantic roles & 50–950 ramp

primary

#A4E563

secondary

#763BB1

accent

#12D373

background

#FDFFFC

surface

#F9FEF4

border

#D2D6CE

text

#13160D

muted

#82857F

Preview Lab

Preview with #A4E563

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

Preview Lab → · Contrast checker → · Palette generator →