#A3E554#A3E554

#A3E554 is a very light, vivid yellow-green. Relative luminance 0.645; OKLCH L 84.9% C 0.187 H 130.4°. Best body text is #000000 at 13.89:1 contrast (WCAG AA passes).

Color values

HEX	#A3E554
RGB	rgb(163, 229, 84)
HSL	hsl(87, 74%, 61%)
HSV	hsv(87, 63%, 90%)
CMYK	cmyk(28.8%, 0%, 63.3%, 10.2%)
CIE-LAB	lab(84.21, -43.03, 62.05)
CIE-LCH	lch(84.21, 75.51, 124.74°)
OKLab	oklab(84.92% -0.1212 0.1425)
OKLCH	oklch(84.92% 0.187 130.4)
XYZ	xyz(44.7234, 64.4639, 18.4722)
Luminance	0.6446 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3E554 #9654E5

analogous

#E5DE54 #A3E554 #5BE554

triadic

#A3E554 #54A3E5 #E554A3

tetradic

#A3E554 #54E5DE #9654E5 #E5545B

square

#A3E554 #54E5DE #9654E5 #E5545B

split-complementary

#A3E554 #545BE5 #DE54E5

monochromatic

#66A519 #86DB21 #A3E554 #C0ED89 #DCF5BE

Accessibility & contrast

On white

1.51

#A3E554 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.89

#A3E554 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3E554

13.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3E554	#FFFFFF	#000000	##000000
##A3E554	1.00	1.51	13.89	13.89
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.89	21.00	1.00	1.00
##000000	13.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD542

Deuteranopia (green-blind)

#E6D05F

Tritanopia (blue-blind)

#A6DCC7

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #a3e554;
/* rgb */ color: rgb(163, 229, 84);
/* oklch */ color: oklch(84.9% 0.187 130.4);

Tailwind

colors: {
  custom: {
    50: '#c2ed8a',
    500: '#a3e554',
    950: '#000000',
  },
}

SCSS

$custom: #a3e554;
$custom-light: #c2ed8a;
$custom-dark: #000000;

JSON

{
  "hex": "#a3e554",
  "rgb": {
    "r": 163,
    "g": 229,
    "b": 84
  },
  "hsl": {
    "h": 87.31,
    "s": 73.604,
    "l": 61.373
  },
  "oklch": {
    "l": 0.84923,
    "c": 0.18712,
    "h": 130.4
  },
  "luminance": 0.64465
}

Semantic roles & 50–950 ramp

primary

#A3E554

secondary

#6936A8

accent

#10D66A

background

#FDFFFC

surface

#F9FEF4

border

#D2D6CE

text

#13160C

muted

#82857F

Preview Lab

Preview with #A3E554

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

Preview Lab → · Contrast checker → · Palette generator →