#A3EC57#A3EC57

#A3EC57 is a very light, vivid yellow-green. Relative luminance 0.685; OKLCH L 86.6% C 0.194 H 131.6°. Best body text is #000000 at 14.69:1 contrast (WCAG AA passes).

Color values

HEX	#A3EC57
RGB	rgb(163, 236, 87)
HSL	hsl(89, 80%, 63%)
HSV	hsv(89, 63%, 93%)
CMYK	cmyk(30.9%, 0%, 63.1%, 7.5%)
CIE-LAB	lab(86.24, -45.80, 63.03)
CIE-LCH	lch(86.24, 77.92, 126.00°)
OKLab	oklab(86.58% -0.1286 0.145)
OKLCH	oklch(86.58% 0.194 131.6)
XYZ	xyz(46.8195, 68.4640, 19.7630)
Luminance	0.6847 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3EC57 #A057EC

analogous

#ECEA57 #A3EC57 #58EC57

triadic

#A3EC57 #57A3EC #EC57A3

tetradic

#A3EC57 #57ECEA #A057EC #EC5758

square

#A3EC57 #57ECEA #A057EC #EC5758

split-complementary

#A3EC57 #5758EC #EA57EC

monochromatic

#66B414 #85E620 #A3EC57 #C1F28E #DFF8C5

Accessibility & contrast

On white

1.43

#A3EC57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.69

#A3EC57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3EC57

14.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3EC57	#FFFFFF	#000000	##000000
##A3EC57	1.00	1.43	14.69	14.69
#FFFFFF	1.43	1.00	21.00	21.00
#000000	14.69	21.00	1.00	1.00
##000000	14.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F6DB44

Deuteranopia (green-blind)

#EBD663

Tritanopia (blue-blind)

#A5E3CD

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #a3ec57;
/* rgb */ color: rgb(163, 236, 87);
/* oklch */ color: oklch(86.6% 0.194 131.6);

Tailwind

colors: {
  custom: {
    50: '#c2f28c',
    500: '#a3ec57',
    950: '#000000',
  },
}

SCSS

$custom: #a3ec57;
$custom-light: #c2f28c;
$custom-dark: #000000;

JSON

{
  "hex": "#a3ec57",
  "rgb": {
    "r": 163,
    "g": 236,
    "b": 87
  },
  "hsl": {
    "h": 89.396,
    "s": 79.679,
    "l": 63.333
  },
  "oklch": {
    "l": 0.86582,
    "c": 0.19379,
    "h": 131.6
  },
  "luminance": 0.68466
}

Semantic roles & 50–950 ramp

primary

#A3EC57

secondary

#7233B4

accent

#0ADC71

background

#FDFFFC

surface

#F9FEF4

border

#D2D6CE

text

#13170D

muted

#82857F

Preview Lab

Preview with #A3EC57

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

Preview Lab → · Contrast checker → · Palette generator →