#CBFF40#CBFF40

#CBFF40 is a very light, highly saturated yellow-green. Relative luminance 0.846; OKLCH L 93.2% C 0.212 H 124.2°. Best body text is #000000 at 17.92:1 contrast (WCAG AA passes).

Color values

HEX	#CBFF40
RGB	rgb(203, 255, 64)
HSL	hsl(76, 100%, 63%)
HSV	hsv(76, 75%, 100%)
CMYK	cmyk(20.4%, 0%, 74.9%, 0%)
CIE-LAB	lab(93.70, -40.84, 79.49)
CIE-LCH	lch(93.70, 89.37, 117.19°)
OKLab	oklab(93.19% -0.1191 0.1756)
OKLCH	oklch(93.19% 0.212 124.2)
XYZ	xyz(61.3147, 84.5861, 17.9460)
Luminance	0.8459 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CBFF40 #7440FF

analogous

#FFD340 #CBFF40 #6CFF40

triadic

#CBFF40 #40CBFF #FF40CB

tetradic

#CBFF40 #40FFD3 #7440FF #FF406C

square

#CBFF40 #40FFD3 #7440FF #FF406C

split-complementary

#CBFF40 #406CFF #D340FF

monochromatic

#8FC500 #BAFF03 #CBFF40 #DCFF7D #ECFFBA

Accessibility & contrast

On white

1.17

#CBFF40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.92

#CBFF40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CBFF40

17.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CBFF40	#FFFFFF	#000000	##000000
##CBFF40	1.00	1.17	17.92	17.92
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.92	21.00	1.00	1.00
##000000	17.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF0B

Deuteranopia (green-blind)

#FFEC53

Tritanopia (blue-blind)

#D5F2DB

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #cbff40;
/* rgb */ color: rgb(203, 255, 64);
/* oklch */ color: oklch(93.2% 0.212 124.2);

Tailwind

colors: {
  custom: {
    50: '#dfff83',
    500: '#cbff40',
    950: '#000000',
  },
}

SCSS

$custom: #cbff40;
$custom-light: #dfff83;
$custom-dark: #000000;

JSON

{
  "hex": "#cbff40",
  "rgb": {
    "r": 203,
    "g": 255,
    "b": 64
  },
  "hsl": {
    "h": 76.335,
    "s": 100,
    "l": 62.549
  },
  "oklch": {
    "l": 0.93186,
    "c": 0.21214,
    "h": 124.2
  },
  "luminance": 0.84587
}

Semantic roles & 50–950 ramp

primary

#CBFF40

secondary

#4D22C1

accent

#00E63E

background

#FEFFFC

surface

#FCFFF3

border

#D5D7CD

text

#16180C

muted

#84867F

Preview Lab

Preview with #CBFF40

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

Preview Lab → · Contrast checker → · Palette generator →