#CEF35B#CEF35B

#CEF35B is a very light, vivid yellow-green. Relative luminance 0.780; OKLCH L 90.9% C 0.180 H 121.7°. Best body text is #000000 at 16.60:1 contrast (WCAG AA passes).

Color values

HEX	#CEF35B
RGB	rgb(206, 243, 91)
HSL	hsl(75, 86%, 65%)
HSV	hsv(75, 63%, 95%)
CMYK	cmyk(15.2%, 0%, 62.6%, 4.7%)
CIE-LAB	lab(90.77, -32.75, 67.05)
CIE-LCH	lch(90.77, 74.62, 116.03°)
OKLab	oklab(90.92% -0.0947 0.1532)
OKLCH	oklch(90.92% 0.18 121.7)
XYZ	xyz(59.3932, 77.9783, 21.8179)
Luminance	0.7798 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CEF35B #805BF3

analogous

#F3CC5B #CEF35B #82F35B

triadic

#CEF35B #5BCEF3 #F35BCE

tetradic

#CEF35B #5BF3CC #805BF3 #F35B82

square

#CEF35B #5BF3CC #805BF3 #F35B82

split-complementary

#CEF35B #5B82F3 #CC5BF3

monochromatic

#99C50E #BDEF22 #CEF35B #DFF794 #F0FBCD

Accessibility & contrast

On white

1.27

#CEF35B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.60

#CEF35B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CEF35B

16.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CEF35B	#FFFFFF	#000000	##000000
##CEF35B	1.00	1.27	16.60	16.60
#FFFFFF	1.27	1.00	21.00	21.00
#000000	16.60	21.00	1.00	1.00
##000000	16.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE548

Deuteranopia (green-blind)

#FCE566

Tritanopia (blue-blind)

#D8E7D3

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #cef35b;
/* rgb */ color: rgb(206, 243, 91);
/* oklch */ color: oklch(90.9% 0.180 121.7);

Tailwind

colors: {
  custom: {
    50: '#e0f790',
    500: '#cef35b',
    950: '#000000',
  },
}

SCSS

$custom: #cef35b;
$custom-light: #e0f790;
$custom-dark: #000000;

JSON

{
  "hex": "#cef35b",
  "rgb": {
    "r": 206,
    "g": 243,
    "b": 91
  },
  "hsl": {
    "h": 74.605,
    "s": 86.364,
    "l": 65.49
  },
  "oklch": {
    "l": 0.9092,
    "c": 0.18016,
    "h": 121.7
  },
  "luminance": 0.77978
}

Semantic roles & 50–950 ramp

primary

#CEF35B

secondary

#5430C2

accent

#03E339

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#16170D

muted

#84857F

Preview Lab

Preview with #CEF35B

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

Preview Lab → · Contrast checker → · Palette generator →