#AFF37B#AFF37B

#AFF37B is a very light, vivid yellow-green. Relative luminance 0.746; OKLCH L 89.3% C 0.167 H 133.1°. Best body text is #000000 at 15.93:1 contrast (WCAG AA passes).

Color values

HEX	#AFF37B
RGB	rgb(175, 243, 123)
HSL	hsl(94, 83%, 72%)
HSV	hsv(94, 49%, 95%)
CMYK	cmyk(28%, 0%, 49.4%, 4.7%)
CIE-LAB	lab(89.23, -41.23, 50.80)
CIE-LCH	lch(89.23, 65.43, 129.06°)
OKLab	oklab(89.29% -0.114 0.1217)
OKLCH	oklch(89.29% 0.167 133.1)
XYZ	xyz(53.3040, 74.6436, 30.3342)
Luminance	0.7464 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Light Yellowish Green

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AFF37B #BF7BF3

analogous

#EBF37B #AFF37B #7BF383

triadic

#AFF37B #7BAFF3 #F37BAF

tetradic

#AFF37B #7BEBF3 #BF7BF3 #F3837B

square

#AFF37B #7BEBF3 #BF7BF3 #F3837B

split-complementary

#AFF37B #837BF3 #F37BEB

monochromatic

#6CDF14 #8DEE43 #AFF37B #D1F8B3 #EEFCE3

Accessibility & contrast

On white

1.32

#AFF37B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.93

#AFF37B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #AFF37B

15.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AFF37B	#FFFFFF	#000000	##000000
##AFF37B	1.00	1.32	15.93	15.93
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.93	21.00	1.00	1.00
##000000	15.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FBE471

Deuteranopia (green-blind)

#F1DE83

Tritanopia (blue-blind)

#B0EBD7

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #aff37b;
/* rgb */ color: rgb(175, 243, 123);
/* oklch */ color: oklch(89.3% 0.167 133.1);

Tailwind

colors: {
  custom: {
    50: '#c9f7a3',
    500: '#aff37b',
    950: '#000000',
  },
}

SCSS

$custom: #aff37b;
$custom-light: #c9f7a3;
$custom-dark: #000000;

JSON

{
  "hex": "#aff37b",
  "rgb": {
    "r": 175,
    "g": 243,
    "b": 123
  },
  "hsl": {
    "h": 94,
    "s": 83.333,
    "l": 71.765
  },
  "oklch": {
    "l": 0.89293,
    "c": 0.16676,
    "h": 133.1
  },
  "luminance": 0.74645
}

Semantic roles & 50–950 ramp

primary

#AFF37B

secondary

#9244CE

accent

#06E081

background

#FEFFFC

surface

#FAFFF6

border

#D3D7D0

text

#13170F

muted

#838580

Preview Lab

Preview with #AFF37B

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

Preview Lab → · Contrast checker → · Palette generator →