#A5EF5B#A5EF5B

#A5EF5B is a very light, vivid yellow-green. Relative luminance 0.705; OKLCH L 87.4% C 0.194 H 131.8°. Best body text is #000000 at 15.10:1 contrast (WCAG AA passes).

Color values

HEX	#A5EF5B
RGB	rgb(165, 239, 91)
HSL	hsl(90, 82%, 65%)
HSV	hsv(90, 62%, 94%)
CMYK	cmyk(31%, 0%, 61.9%, 6.3%)
CIE-LAB	lab(87.23, -46.06, 62.52)
CIE-LCH	lch(87.23, 77.65, 126.38°)
OKLab	oklab(87.43% -0.1291 0.1443)
OKLCH	oklch(87.43% 0.194 131.8)
XYZ	xyz(48.2713, 70.4860, 20.9574)
Luminance	0.7049 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A5EF5B #A55BEF

analogous

#EFEF5B #A5EF5B #5BEF5B

triadic

#A5EF5B #5BA5EF #EF5BA5

tetradic

#A5EF5B #5BEFEF #A55BEF #EF5B5B

square

#A5EF5B #5BEFEF #A55BEF #EF5B5B

split-complementary

#A5EF5B #5B5BEF #EF5BEF

monochromatic

#68BD12 #86EA23 #A5EF5B #C4F493 #E2FACB

Accessibility & contrast

On white

1.39

#A5EF5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.10

#A5EF5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A5EF5B

15.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A5EF5B	#FFFFFF	#000000	##000000
##A5EF5B	1.00	1.39	15.10	15.10
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.10	21.00	1.00	1.00
##000000	15.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F9DE49

Deuteranopia (green-blind)

#EED966

Tritanopia (blue-blind)

#A7E6D0

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #a5ef5b;
/* rgb */ color: rgb(165, 239, 91);
/* oklch */ color: oklch(87.4% 0.194 131.8);

Tailwind

colors: {
  custom: {
    50: '#c4f48f',
    500: '#a5ef5b',
    950: '#000000',
  },
}

SCSS

$custom: #a5ef5b;
$custom-light: #c4f48f;
$custom-dark: #000000;

JSON

{
  "hex": "#a5ef5b",
  "rgb": {
    "r": 165,
    "g": 239,
    "b": 91
  },
  "hsl": {
    "h": 90,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.87431,
    "c": 0.19362,
    "h": 131.8
  },
  "luminance": 0.70488
}

Semantic roles & 50–950 ramp

primary

#A5EF5B

secondary

#7733BC

accent

#07DF73

background

#FDFFFC

surface

#F9FEF4

border

#D2D6CE

text

#13170D

muted

#82857F

Preview Lab

Preview with #A5EF5B

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

Preview Lab → · Contrast checker → · Palette generator →