#A5E55B#A5E55B

#A5E55B is a very light, vivid yellow-green. Relative luminance 0.648; OKLCH L 85.1% C 0.181 H 130.4°. Best body text is #000000 at 13.96:1 contrast (WCAG AA passes).

Color values

HEX	#A5E55B
RGB	rgb(165, 229, 91)
HSL	hsl(88, 73%, 63%)
HSV	hsv(88, 60%, 90%)
CMYK	cmyk(27.9%, 0%, 60.3%, 10.2%)
CIE-LAB	lab(84.38, -41.74, 59.36)
CIE-LCH	lch(84.38, 72.56, 125.11°)
OKLab	oklab(85.11% -0.1173 0.1376)
OKLCH	oklch(85.11% 0.181 130.4)
XYZ	xyz(45.4243, 64.7920, 20.0084)
Luminance	0.6479 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A5E55B #9B5BE5

analogous

#E5E05B #A5E55B #60E55B

triadic

#A5E55B #5BA5E5 #E55BA5

tetradic

#A5E55B #5BE5E0 #9B5BE5 #E55B60

square

#A5E55B #5BE5E0 #9B5BE5 #E55B60

split-complementary

#A5E55B #5B60E5 #E05BE5

monochromatic

#68AB1B #88DD26 #A5E55B #C2ED90 #DFF6C5

Accessibility & contrast

On white

1.50

#A5E55B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.96

#A5E55B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A5E55B

13.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A5E55B	#FFFFFF	#000000	##000000
##A5E55B	1.00	1.50	13.96	13.96
#FFFFFF	1.50	1.00	21.00	21.00
#000000	13.96	21.00	1.00	1.00
##000000	13.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD64B

Deuteranopia (green-blind)

#E6D165

Tritanopia (blue-blind)

#A8DCC8

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #a5e55b;
/* rgb */ color: rgb(165, 229, 91);
/* oklch */ color: oklch(85.1% 0.181 130.4);

Tailwind

colors: {
  custom: {
    50: '#c3ed8e',
    500: '#a5e55b',
    950: '#000000',
  },
}

SCSS

$custom: #a5e55b;
$custom-light: #c3ed8e;
$custom-dark: #000000;

JSON

{
  "hex": "#a5e55b",
  "rgb": {
    "r": 165,
    "g": 229,
    "b": 91
  },
  "hsl": {
    "h": 87.826,
    "s": 72.632,
    "l": 62.745
  },
  "oklch": {
    "l": 0.85109,
    "c": 0.18077,
    "h": 130.4
  },
  "luminance": 0.64793
}

Semantic roles & 50–950 ramp

primary

#A5E55B

secondary

#6E38AC

accent

#11D56C

background

#FDFFFC

surface

#F9FEF4

border

#D2D6CE

text

#13160D

muted

#82857F

Preview Lab

Preview with #A5E55B

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

Preview Lab → · Contrast checker → · Palette generator →