#CEEF63#CEEF63

#CEEF63 is a very light, vivid yellow-green. Relative luminance 0.758; OKLCH L 90.1% C 0.169 H 121.1°. Best body text is #000000 at 16.15:1 contrast (WCAG AA passes).

Color values

HEX	#CEEF63
RGB	rgb(206, 239, 99)
HSL	hsl(74, 81%, 66%)
HSV	hsv(74, 59%, 94%)
CMYK	cmyk(13.8%, 0%, 58.6%, 6.3%)
CIE-LAB	lab(89.75, -30.31, 62.63)
CIE-LCH	lch(89.75, 69.58, 115.83°)
OKLab	oklab(90.12% -0.0872 0.1448)
OKLCH	oklch(90.12% 0.169 121.1)
XYZ	xyz(58.5729, 75.7557, 23.3386)
Luminance	0.7576 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CEEF63 #8463EF

analogous

#EFCA63 #CEEF63 #88EF63

triadic

#CEEF63 #63CEEF #EF63CE

tetradic

#CEEF63 #63EFCA #8463EF #EF6388

square

#CEEF63 #63EFCA #8463EF #EF6388

split-complementary

#CEEF63 #6388EF #CA63EF

monochromatic

#9AC414 #BDE92B #CEEF63 #DFF59B #F1FAD2

Accessibility & contrast

On white

1.30

#CEEF63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.15

#CEEF63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CEEF63

16.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CEEF63	#FFFFFF	#000000	##000000
##CEEF63	1.00	1.30	16.15	16.15
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.15	21.00	1.00	1.00
##000000	16.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE253

Deuteranopia (green-blind)

#F8E26C

Tritanopia (blue-blind)

#D8E4D1

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #ceef63;
/* rgb */ color: rgb(206, 239, 99);
/* oklch */ color: oklch(90.1% 0.169 121.1);

Tailwind

colors: {
  custom: {
    50: '#e0f494',
    500: '#ceef63',
    950: '#000000',
  },
}

SCSS

$custom: #ceef63;
$custom-light: #e0f494;
$custom-dark: #000000;

JSON

{
  "hex": "#ceef63",
  "rgb": {
    "r": 206,
    "g": 239,
    "b": 99
  },
  "hsl": {
    "h": 74.143,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.90117,
    "c": 0.16906,
    "h": 121.1
  },
  "luminance": 0.75756
}

Semantic roles & 50–950 ramp

primary

#CEEF63

secondary

#5635C1

accent

#08DE3A

background

#FEFFFC

surface

#FCFEF5

border

#D5D6CF

text

#16170E

muted

#84857F

Preview Lab

Preview with #CEEF63

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

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