#A5F55B#A5F55B

#A5F55B is a very light, highly saturated yellow-green. Relative luminance 0.741; OKLCH L 88.8% C 0.201 H 132.5°. Best body text is #000000 at 15.81:1 contrast (WCAG AA passes).

Color values

HEX	#A5F55B
RGB	rgb(165, 245, 91)
HSL	hsl(91, 89%, 66%)
HSV	hsv(91, 63%, 96%)
CMYK	cmyk(32.7%, 0%, 62.9%, 3.9%)
CIE-LAB	lab(88.95, -48.59, 64.39)
CIE-LCH	lch(88.95, 80.67, 127.04°)
OKLab	oklab(88.83% -0.1361 0.1483)
OKLCH	oklch(88.83% 0.201 132.5)
XYZ	xyz(50.0571, 74.0576, 21.5526)
Luminance	0.7406 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A5F55B #AB5BF5

analogous

#F2F55B #A5F55B #5BF55E

triadic

#A5F55B #5BA5F5 #F55BA5

tetradic

#A5F55B #5BF2F5 #AB5BF5 #F55E5B

square

#A5F55B #5BF2F5 #AB5BF5 #F55E5B

split-complementary

#A5F55B #5E5BF5 #F55BF2

monochromatic

#67C90C #85F121 #A5F55B #C5F995 #E4FCCE

Accessibility & contrast

On white

1.33

#A5F55B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.81

#A5F55B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A5F55B

15.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A5F55B	#FFFFFF	#000000	##000000
##A5F55B	1.00	1.33	15.81	15.81
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.81	21.00	1.00	1.00
##000000	15.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE348

Deuteranopia (green-blind)

#F3DD67

Tritanopia (blue-blind)

#A6ECD5

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #a5f55b;
/* rgb */ color: rgb(165, 245, 91);
/* oklch */ color: oklch(88.8% 0.201 132.5);

Tailwind

colors: {
  custom: {
    50: '#c4f990',
    500: '#a5f55b',
    950: '#000000',
  },
}

SCSS

$custom: #a5f55b;
$custom-light: #c4f990;
$custom-dark: #000000;

JSON

{
  "hex": "#a5f55b",
  "rgb": {
    "r": 165,
    "g": 245,
    "b": 91
  },
  "hsl": {
    "h": 91.169,
    "s": 88.506,
    "l": 65.882
  },
  "oklch": {
    "l": 0.88827,
    "c": 0.20122,
    "h": 132.5
  },
  "luminance": 0.74059
}

Semantic roles & 50–950 ramp

primary

#A5F55B

secondary

#7D2EC6

accent

#00E577

background

#FEFFFC

surface

#FAFFF4

border

#D3D7CE

text

#13170D

muted

#83857F

Preview Lab

Preview with #A5F55B

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

Preview Lab → · Contrast checker → · Palette generator →