#CEF866#CEF866

#CEF866 is a very light, vivid yellow-green. Relative luminance 0.812; OKLCH L 92.1% C 0.178 H 123.4°. Best body text is #000000 at 17.24:1 contrast (WCAG AA passes).

Color values

HEX	#CEF866
RGB	rgb(206, 248, 102)
HSL	hsl(77, 91%, 69%)
HSV	hsv(77, 59%, 97%)
CMYK	cmyk(16.9%, 0%, 58.9%, 2.7%)
CIE-LAB	lab(92.23, -34.22, 64.12)
CIE-LCH	lch(92.23, 72.68, 118.09°)
OKLab	oklab(92.12% -0.0979 0.1483)
OKLCH	oklch(92.12% 0.178 123.4)
XYZ	xyz(61.4197, 81.2156, 25.0082)
Luminance	0.8122 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CEF866 #9066F8

analogous

#F8D966 #CEF866 #85F866

triadic

#CEF866 #66CEF8 #F866CE

tetradic

#CEF866 #66F8D9 #9066F8 #F86685

square

#CEF866 #66F8D9 #9066F8 #F86685

split-complementary

#CEF866 #6685F8 #D966F8

monochromatic

#9EDA0A #BBF52B #CEF866 #E1FBA1 #F3FDDB

Accessibility & contrast

On white

1.22

#CEF866 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.24

#CEF866 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CEF866

17.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CEF866	#FFFFFF	#000000	##000000
##CEF866	1.00	1.22	17.24	17.24
#FFFFFF	1.22	1.00	21.00	21.00
#000000	17.24	21.00	1.00	1.00
##000000	17.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA56

Deuteranopia (green-blind)

#FFE870

Tritanopia (blue-blind)

#D7EDD9

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #cef866;
/* rgb */ color: rgb(206, 248, 102);
/* oklch */ color: oklch(92.1% 0.178 123.4);

Tailwind

colors: {
  custom: {
    50: '#e0fa97',
    500: '#cef866',
    950: '#000000',
  },
}

SCSS

$custom: #cef866;
$custom-light: #e0fa97;
$custom-dark: #000000;

JSON

{
  "hex": "#cef866",
  "rgb": {
    "r": 206,
    "g": 248,
    "b": 102
  },
  "hsl": {
    "h": 77.26,
    "s": 91.25,
    "l": 68.627
  },
  "oklch": {
    "l": 0.92124,
    "c": 0.1777,
    "h": 123.4
  },
  "luminance": 0.81216
}

Semantic roles & 50–950 ramp

primary

#CEF866

secondary

#5F31D2

accent

#00E642

background

#FEFFFC

surface

#FCFFF5

border

#D5D7CF

text

#16170E

muted

#84857F

Preview Lab

Preview with #CEF866

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

Preview Lab → · Contrast checker → · Palette generator →