#CFEF57#CFEF57

#CFEF57 is a very light, vivid yellow-green. Relative luminance 0.757; OKLCH L 90.1% C 0.178 H 120.3°. Best body text is #000000 at 16.14:1 contrast (WCAG AA passes).

Color values

HEX	#CFEF57
RGB	rgb(207, 239, 87)
HSL	hsl(73, 83%, 64%)
HSV	hsv(73, 64%, 94%)
CMYK	cmyk(13.4%, 0%, 63.6%, 6.3%)
CIE-LAB	lab(89.71, -30.79, 67.54)
CIE-LCH	lch(89.71, 74.23, 114.50°)
OKLab	oklab(90.08% -0.0897 0.1537)
OKLCH	oklch(90.08% 0.178 120.3)
XYZ	xyz(58.3198, 75.6867, 20.5516)
Luminance	0.7569 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CFEF57 #7757EF

analogous

#EFC357 #CFEF57 #83EF57

triadic

#CFEF57 #57CFEF #EF57CF

tetradic

#CFEF57 #57EFC3 #7757EF #EF5783

square

#CFEF57 #57EFC3 #7757EF #EF5783

split-complementary

#CFEF57 #5783EF #C357EF

monochromatic

#96BA12 #BFEA1F #CFEF57 #DFF48F #EFFAC7

Accessibility & contrast

On white

1.30

#CFEF57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.14

#CFEF57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CFEF57

16.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CFEF57	#FFFFFF	#000000	##000000
##CFEF57	1.00	1.30	16.14	16.14
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.14	21.00	1.00	1.00
##000000	16.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE243

Deuteranopia (green-blind)

#F9E262

Tritanopia (blue-blind)

#DAE3D0

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #cfef57;
/* rgb */ color: rgb(207, 239, 87);
/* oklch */ color: oklch(90.1% 0.178 120.3);

Tailwind

colors: {
  custom: {
    50: '#e1f48d',
    500: '#cfef57',
    950: '#000000',
  },
}

SCSS

$custom: #cfef57;
$custom-light: #e1f48d;
$custom-dark: #000000;

JSON

{
  "hex": "#cfef57",
  "rgb": {
    "r": 207,
    "g": 239,
    "b": 87
  },
  "hsl": {
    "h": 72.632,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.90076,
    "c": 0.17799,
    "h": 120.3
  },
  "luminance": 0.75687
}

Semantic roles & 50–950 ramp

primary

#CFEF57

secondary

#4E31B9

accent

#06DF34

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#16170D

muted

#84857F

Preview Lab

Preview with #CFEF57

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

Preview Lab → · Contrast checker → · Palette generator →