#CFF57B#CFF57B

#CFF57B is a very light, vivid yellow-green. Relative luminance 0.800; OKLCH L 91.8% C 0.155 H 123.7°. Best body text is #000000 at 17.00:1 contrast (WCAG AA passes).

Color values

HEX	#CFF57B
RGB	rgb(207, 245, 123)
HSL	hsl(79, 86%, 72%)
HSV	hsv(79, 50%, 96%)
CMYK	cmyk(15.5%, 0%, 49.8%, 3.9%)
CIE-LAB	lab(91.68, -30.62, 54.22)
CIE-LCH	lch(91.68, 62.27, 119.46°)
OKLab	oklab(91.77% -0.086 0.1289)
OKLCH	oklch(91.77% 0.155 123.7)
XYZ	xyz(61.9598, 80.0000, 30.9124)
Luminance	0.8000 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Yellowish Green

#C2FF89

ΔE00 4.40

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CFF57B #A17BF5

analogous

#F5DE7B #CFF57B #92F57B

triadic

#CFF57B #7BCFF5 #F57BCF

tetradic

#CFF57B #7BF5DE #A17BF5 #F57B92

square

#CFF57B #7BF5DE #A17BF5 #F57B92

split-complementary

#CFF57B #7B92F5 #DE7BF5

monochromatic

#A3E411 #BAF142 #CFF57B #E4F9B4 #F5FDE3

Accessibility & contrast

On white

1.24

#CFF57B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.00

#CFF57B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CFF57B

17.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CFF57B	#FFFFFF	#000000	##000000
##CFF57B	1.00	1.24	17.00	17.00
#FFFFFF	1.24	1.00	21.00	21.00
#000000	17.00	21.00	1.00	1.00
##000000	17.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE870

Deuteranopia (green-blind)

#FCE782

Tritanopia (blue-blind)

#D7EBD9

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #cff57b;
/* rgb */ color: rgb(207, 245, 123);
/* oklch */ color: oklch(91.8% 0.155 123.7);

Tailwind

colors: {
  custom: {
    50: '#e0f8a4',
    500: '#cff57b',
    950: '#000000',
  },
}

SCSS

$custom: #cff57b;
$custom-light: #e0f8a4;
$custom-dark: #000000;

JSON

{
  "hex": "#cff57b",
  "rgb": {
    "r": 207,
    "g": 245,
    "b": 123
  },
  "hsl": {
    "h": 78.689,
    "s": 85.915,
    "l": 72.157
  },
  "oklch": {
    "l": 0.91771,
    "c": 0.15499,
    "h": 123.7
  },
  "luminance": 0.8
}

Semantic roles & 50–950 ramp

primary

#CFF57B

secondary

#7044D0

accent

#03E249

background

#FEFFFC

surface

#FCFFF6

border

#D5D7D0

text

#15170F

muted

#848580

Preview Lab

Preview with #CFF57B

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

Preview Lab → · Contrast checker → · Palette generator →