#A9FF57#A9FF57

#A9FF57 is a very light, highly saturated yellow-green. Relative luminance 0.806; OKLCH L 91.3% C 0.214 H 132.6°. Best body text is #000000 at 17.13:1 contrast (WCAG AA passes).

Color values

HEX	#A9FF57
RGB	rgb(169, 255, 87)
HSL	hsl(91, 100%, 67%)
HSV	hsv(91, 66%, 100%)
CMYK	cmyk(33.7%, 0%, 65.9%, 0%)
CIE-LAB	lab(91.97, -51.68, 69.26)
CIE-LCH	lch(91.97, 86.42, 126.73°)
OKLab	oklab(91.33% -0.1451 0.158)
OKLCH	oklch(91.33% 0.214 132.6)
XYZ	xyz(53.8417, 80.6410, 21.7434)
Luminance	0.8064 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9FF57 #AD57FF

analogous

#FDFF57 #A9FF57 #57FF59

triadic

#A9FF57 #57A9FF #FF57A9

tetradic

#A9FF57 #57FDFF #AD57FF #FF5957

square

#A9FF57 #57FDFF #AD57FF #FF5957

split-complementary

#A9FF57 #5957FF #FF57FD

monochromatic

#6BDC00 #8AFF1A #A9FF57 #C8FF94 #E8FFD1

Accessibility & contrast

On white

1.23

#A9FF57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.13

#A9FF57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9FF57

17.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9FF57	#FFFFFF	#000000	##000000
##A9FF57	1.00	1.23	17.13	17.13
#FFFFFF	1.23	1.00	21.00	21.00
#000000	17.13	21.00	1.00	1.00
##000000	17.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC40

Deuteranopia (green-blind)

#FDE665

Tritanopia (blue-blind)

#AAF5DD

Achromatopsia (no color)

#E8E8E8

Design tokens & code

CSS

--color: #a9ff57;
/* rgb */ color: rgb(169, 255, 87);
/* oklch */ color: oklch(91.3% 0.214 132.6);

Tailwind

colors: {
  custom: {
    50: '#c8ff8e',
    500: '#a9ff57',
    950: '#000000',
  },
}

SCSS

$custom: #a9ff57;
$custom-light: #c8ff8e;
$custom-dark: #000000;

JSON

{
  "hex": "#a9ff57",
  "rgb": {
    "r": 169,
    "g": 255,
    "b": 87
  },
  "hsl": {
    "h": 90.714,
    "s": 100,
    "l": 67.059
  },
  "oklch": {
    "l": 0.91332,
    "c": 0.21448,
    "h": 132.6
  },
  "luminance": 0.80643
}

Semantic roles & 50–950 ramp

primary

#A9FF57

secondary

#7F26D5

accent

#00E675

background

#FEFFFC

surface

#FBFFF4

border

#D4D7CE

text

#14180D

muted

#83867F

Preview Lab

Preview with #A9FF57

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

Preview Lab → · Contrast checker → · Palette generator →