#CCF34E#CCF34E

#CCF34E is a very light, vivid yellow-green. Relative luminance 0.775; OKLCH L 90.7% C 0.190 H 121.8°. Best body text is #000000 at 16.50:1 contrast (WCAG AA passes).

Color values

HEX	#CCF34E
RGB	rgb(204, 243, 78)
HSL	hsl(74, 87%, 63%)
HSV	hsv(74, 68%, 95%)
CMYK	cmyk(16%, 0%, 67.9%, 4.7%)
CIE-LAB	lab(90.55, -34.35, 71.76)
CIE-LCH	lch(90.55, 79.56, 115.58°)
OKLab	oklab(90.68% -0.1002 0.1614)
OKLCH	oklch(90.68% 0.19 121.8)
XYZ	xyz(58.3284, 77.4885, 19.0902)
Luminance	0.7749 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CCF34E #754EF3

analogous

#F3C84E #CCF34E #79F34E

triadic

#CCF34E #4ECCF3 #F34ECC

tetradic

#CCF34E #4EF3C8 #754EF3 #F34E79

square

#CCF34E #4EF3C8 #754EF3 #F34E79

split-complementary

#CCF34E #4E79F3 #C84EF3

monochromatic

#91BA0D #BBEF15 #CCF34E #DDF787 #EDFBC1

Accessibility & contrast

On white

1.27

#CCF34E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.50

#CCF34E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CCF34E

16.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CCF34E	#FFFFFF	#000000	##000000
##CCF34E	1.00	1.27	16.50	16.50
#FFFFFF	1.27	1.00	21.00	21.00
#000000	16.50	21.00	1.00	1.00
##000000	16.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE534

Deuteranopia (green-blind)

#FCE45B

Tritanopia (blue-blind)

#D6E7D2

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #ccf34e;
/* rgb */ color: rgb(204, 243, 78);
/* oklch */ color: oklch(90.7% 0.190 121.8);

Tailwind

colors: {
  custom: {
    50: '#dff788',
    500: '#ccf34e',
    950: '#000000',
  },
}

SCSS

$custom: #ccf34e;
$custom-light: #dff788;
$custom-dark: #000000;

JSON

{
  "hex": "#ccf34e",
  "rgb": {
    "r": 204,
    "g": 243,
    "b": 78
  },
  "hsl": {
    "h": 74.182,
    "s": 87.302,
    "l": 62.941
  },
  "oklch": {
    "l": 0.90676,
    "c": 0.18999,
    "h": 121.8
  },
  "luminance": 0.77489
}

Semantic roles & 50–950 ramp

primary

#CCF34E

secondary

#4E2DB9

accent

#02E437

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#16170C

muted

#84857F

Preview Lab

Preview with #CCF34E

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

Preview Lab → · Contrast checker → · Palette generator →