#A4EF63#A4EF63

#A4EF63 is a very light, vivid yellow-green. Relative luminance 0.705; OKLCH L 87.5% C 0.188 H 132.7°. Best body text is #000000 at 15.11:1 contrast (WCAG AA passes).

Color values

HEX	#A4EF63
RGB	rgb(164, 239, 99)
HSL	hsl(92, 81%, 66%)
HSV	hsv(92, 59%, 94%)
CMYK	cmyk(31.4%, 0%, 58.6%, 6.3%)
CIE-LAB	lab(87.25, -45.71, 59.15)
CIE-LCH	lch(87.25, 74.75, 127.69°)
OKLab	oklab(87.46% -0.1275 0.138)
OKLCH	oklch(87.46% 0.188 132.7)
XYZ	xyz(48.4277, 70.5246, 22.8630)
Luminance	0.7053 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4EF63 #AE63EF

analogous

#EAEF63 #A4EF63 #63EF68

triadic

#A4EF63 #63A4EF #EF63A4

tetradic

#A4EF63 #63EAEF #AE63EF #EF6863

square

#A4EF63 #63EAEF #AE63EF #EF6863

split-complementary

#A4EF63 #6863EF #EF63EA

monochromatic

#66C414 #84E92B #A4EF63 #C4F59B #E5FAD2

Accessibility & contrast

On white

1.39

#A4EF63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.11

#A4EF63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A4EF63

15.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4EF63	#FFFFFF	#000000	##000000
##A4EF63	1.00	1.39	15.11	15.11
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.11	21.00	1.00	1.00
##000000	15.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F8DE54

Deuteranopia (green-blind)

#EDD96D

Tritanopia (blue-blind)

#A5E6D1

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #a4ef63;
/* rgb */ color: rgb(164, 239, 99);
/* oklch */ color: oklch(87.5% 0.188 132.7);

Tailwind

colors: {
  custom: {
    50: '#c3f494',
    500: '#a4ef63',
    950: '#000000',
  },
}

SCSS

$custom: #a4ef63;
$custom-light: #c3f494;
$custom-dark: #000000;

JSON

{
  "hex": "#a4ef63",
  "rgb": {
    "r": 164,
    "g": 239,
    "b": 99
  },
  "hsl": {
    "h": 92.143,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.87455,
    "c": 0.18786,
    "h": 132.7
  },
  "luminance": 0.70526
}

Semantic roles & 50–950 ramp

primary

#A4EF63

secondary

#8035C1

accent

#08DE7A

background

#FDFFFC

surface

#F9FEF5

border

#D2D6CF

text

#13170D

muted

#82857F

Preview Lab

Preview with #A4EF63

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

Preview Lab → · Contrast checker → · Palette generator →