#A1E55B#A1E55B

#A1E55B is a very light, vivid yellow-green. Relative luminance 0.644; OKLCH L 84.9% C 0.183 H 131.4°. Best body text is #000000 at 13.87:1 contrast (WCAG AA passes).

Color values

HEX	#A1E55B
RGB	rgb(161, 229, 91)
HSL	hsl(90, 73%, 63%)
HSV	hsv(90, 60%, 90%)
CMYK	cmyk(29.7%, 0%, 60.3%, 10.2%)
CIE-LAB	lab(84.16, -43.16, 59.05)
CIE-LCH	lch(84.16, 73.14, 126.16°)
OKLab	oklab(84.87% -0.1209 0.137)
OKLCH	oklch(84.87% 0.183 131.4)
XYZ	xyz(44.6051, 64.3696, 19.9700)
Luminance	0.6437 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1E55B #9F5BE5

analogous

#E5E45B #A1E55B #5CE55B

triadic

#A1E55B #5BA1E5 #E55BA1

tetradic

#A1E55B #5BE5E4 #9F5BE5 #E55B5C

square

#A1E55B #5BE5E4 #9F5BE5 #E55B5C

split-complementary

#A1E55B #5B5CE5 #E45BE5

monochromatic

#64AB1B #83DD26 #A1E55B #BFED90 #DEF6C5

Accessibility & contrast

On white

1.51

#A1E55B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.87

#A1E55B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A1E55B

13.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1E55B	#FFFFFF	#000000	##000000
##A1E55B	1.00	1.51	13.87	13.87
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.87	21.00	1.00	1.00
##000000	13.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EED54B

Deuteranopia (green-blind)

#E5D065

Tritanopia (blue-blind)

#A3DCC8

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #a1e55b;
/* rgb */ color: rgb(161, 229, 91);
/* oklch */ color: oklch(84.9% 0.183 131.4);

Tailwind

colors: {
  custom: {
    50: '#c0ed8e',
    500: '#a1e55b',
    950: '#000000',
  },
}

SCSS

$custom: #a1e55b;
$custom-light: #c0ed8e;
$custom-dark: #000000;

JSON

{
  "hex": "#a1e55b",
  "rgb": {
    "r": 161,
    "g": 229,
    "b": 91
  },
  "hsl": {
    "h": 89.565,
    "s": 72.632,
    "l": 62.745
  },
  "oklch": {
    "l": 0.84873,
    "c": 0.18273,
    "h": 131.4
  },
  "luminance": 0.64371
}

Semantic roles & 50–950 ramp

primary

#A1E55B

secondary

#7138AC

accent

#11D571

background

#FDFFFC

surface

#F9FEF4

border

#D2D6CE

text

#13160D

muted

#82857F

Preview Lab

Preview with #A1E55B

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

Preview Lab → · Contrast checker → · Palette generator →