#AFF66B#AFF66B

#AFF66B is a very light, vivid yellow-green. Relative luminance 0.761; OKLCH L 89.8% C 0.185 H 131.8°. Best body text is #000000 at 16.22:1 contrast (WCAG AA passes).

Color values

HEX	#AFF66B
RGB	rgb(175, 246, 107)
HSL	hsl(91, 89%, 69%)
HSV	hsv(91, 57%, 96%)
CMYK	cmyk(28.9%, 0%, 56.5%, 3.5%)
CIE-LAB	lab(89.90, -44.17, 58.85)
CIE-LCH	lch(89.90, 73.58, 126.89°)
OKLab	oklab(89.78% -0.1233 0.138)
OKLCH	oklch(89.78% 0.185 131.8)
XYZ	xyz(53.2881, 76.0854, 25.7854)
Luminance	0.7609 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AFF66B #B26BF6

analogous

#F5F66B #AFF66B #6BF66D

triadic

#AFF66B #6BAFF6 #F66BAF

tetradic

#AFF66B #6BF5F6 #B26BF6 #F66D6B

square

#AFF66B #6BF5F6 #B26BF6 #F66D6B

split-complementary

#AFF66B #6D6BF6 #F66BF5

monochromatic

#71D90D #90F231 #AFF66B #CEFAA5 #EDFDDE

Accessibility & contrast

On white

1.29

#AFF66B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.22

#AFF66B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #AFF66B

16.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AFF66B	#FFFFFF	#000000	##000000
##AFF66B	1.00	1.29	16.22	16.22
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.22	21.00	1.00	1.00
##000000	16.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE65D

Deuteranopia (green-blind)

#F5E075

Tritanopia (blue-blind)

#B1EDD8

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #aff66b;
/* rgb */ color: rgb(175, 246, 107);
/* oklch */ color: oklch(89.8% 0.185 131.8);

Tailwind

colors: {
  custom: {
    50: '#caf999',
    500: '#aff66b',
    950: '#000000',
  },
}

SCSS

$custom: #aff66b;
$custom-light: #caf999;
$custom-dark: #000000;

JSON

{
  "hex": "#aff66b",
  "rgb": {
    "r": 175,
    "g": 246,
    "b": 107
  },
  "hsl": {
    "h": 90.647,
    "s": 88.535,
    "l": 69.216
  },
  "oklch": {
    "l": 0.89783,
    "c": 0.18502,
    "h": 131.8
  },
  "luminance": 0.76087
}

Semantic roles & 50–950 ramp

primary

#AFF66B

secondary

#8436D0

accent

#00E575

background

#FEFFFC

surface

#FBFFF5

border

#D4D7CF

text

#14170E

muted

#83857F

Preview Lab

Preview with #AFF66B

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

Preview Lab → · Contrast checker → · Palette generator →