#A9F05B#A9F05B

#A9F05B is a very light, vivid yellow-green. Relative luminance 0.715; OKLCH L 87.9% C 0.193 H 131.0°. Best body text is #000000 at 15.30:1 contrast (WCAG AA passes).

Color values

HEX	#A9F05B
RGB	rgb(169, 240, 91)
HSL	hsl(89, 83%, 65%)
HSV	hsv(89, 62%, 94%)
CMYK	cmyk(29.6%, 0%, 62.1%, 5.9%)
CIE-LAB	lab(87.73, -45.09, 63.12)
CIE-LCH	lch(87.73, 77.57, 125.54°)
OKLab	oklab(87.89% -0.1267 0.1455)
OKLCH	oklch(87.89% 0.193 131)
XYZ	xyz(49.4101, 71.5090, 21.0948)
Luminance	0.7151 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9F05B #A25BF0

analogous

#F0ED5B #A9F05B #5EF05B

triadic

#A9F05B #5BA9F0 #F05BA9

tetradic

#A9F05B #5BF0ED #A25BF0 #F05B5E

square

#A9F05B #5BF0ED #A25BF0 #F05B5E

split-complementary

#A9F05B #5B5EF0 #ED5BF0

monochromatic

#6CBF11 #8CEB23 #A9F05B #C6F593 #E4FACB

Accessibility & contrast

On white

1.37

#A9F05B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.30

#A9F05B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9F05B

15.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9F05B	#FFFFFF	#000000	##000000
##A9F05B	1.00	1.37	15.30	15.30
#FFFFFF	1.37	1.00	21.00	21.00
#000000	15.30	21.00	1.00	1.00
##000000	15.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FADF49

Deuteranopia (green-blind)

#F0DA66

Tritanopia (blue-blind)

#ACE7D1

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #a9f05b;
/* rgb */ color: rgb(169, 240, 91);
/* oklch */ color: oklch(87.9% 0.193 131.0);

Tailwind

colors: {
  custom: {
    50: '#c6f58f',
    500: '#a9f05b',
    950: '#000000',
  },
}

SCSS

$custom: #a9f05b;
$custom-light: #c6f58f;
$custom-dark: #000000;

JSON

{
  "hex": "#a9f05b",
  "rgb": {
    "r": 169,
    "g": 240,
    "b": 91
  },
  "hsl": {
    "h": 88.591,
    "s": 83.24,
    "l": 64.902
  },
  "oklch": {
    "l": 0.87891,
    "c": 0.19293,
    "h": 131
  },
  "luminance": 0.71511
}

Semantic roles & 50–950 ramp

primary

#A9F05B

secondary

#7432BD

accent

#06E06E

background

#FEFFFC

surface

#FAFEF4

border

#D3D6CE

text

#13170D

muted

#83857F

Preview Lab

Preview with #A9F05B

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

Preview Lab → · Contrast checker → · Palette generator →