#CEF17B#CEF17B

#CEF17B is a very light, vivid yellow-green. Relative luminance 0.775; OKLCH L 90.8% C 0.150 H 123.0°. Best body text is #000000 at 16.49:1 contrast (WCAG AA passes).

Color values

HEX	#CEF17B
RGB	rgb(206, 241, 123)
HSL	hsl(78, 81%, 71%)
HSV	hsv(78, 49%, 95%)
CMYK	cmyk(14.5%, 0%, 49%, 5.5%)
CIE-LAB	lab(90.53, -29.13, 52.82)
CIE-LCH	lch(90.53, 60.32, 118.88°)
OKLab	oklab(90.83% -0.0818 0.1259)
OKLCH	oklch(90.83% 0.15 123)
XYZ	xyz(60.4842, 77.4623, 30.5003)
Luminance	0.7746 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Yellowish Green

#C2FF89

ΔE00 4.97

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CEF17B #9E7BF1

analogous

#F1D97B #CEF17B #93F17B

triadic

#CEF17B #7BCEF1 #F17BCE

tetradic

#CEF17B #7BF1D9 #9E7BF1 #F17B93

square

#CEF17B #7BF1D9 #9E7BF1 #F17B93

split-complementary

#CEF17B #7B93F1 #D97BF1

monochromatic

#A1DA17 #B9EB44 #CEF17B #E3F7B2 #F5FCE3

Accessibility & contrast

On white

1.27

#CEF17B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.49

#CEF17B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CEF17B

16.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CEF17B	#FFFFFF	#000000	##000000
##CEF17B	1.00	1.27	16.49	16.49
#FFFFFF	1.27	1.00	21.00	21.00
#000000	16.49	21.00	1.00	1.00
##000000	16.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE571

Deuteranopia (green-blind)

#F8E482

Tritanopia (blue-blind)

#D6E7D6

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #cef17b;
/* rgb */ color: rgb(206, 241, 123);
/* oklch */ color: oklch(90.8% 0.150 123.0);

Tailwind

colors: {
  custom: {
    50: '#dff5a4',
    500: '#cef17b',
    950: '#000000',
  },
}

SCSS

$custom: #cef17b;
$custom-light: #dff5a4;
$custom-dark: #000000;

JSON

{
  "hex": "#cef17b",
  "rgb": {
    "r": 206,
    "g": 241,
    "b": 123
  },
  "hsl": {
    "h": 77.797,
    "s": 80.822,
    "l": 71.373
  },
  "oklch": {
    "l": 0.90829,
    "c": 0.1501,
    "h": 123
  },
  "luminance": 0.77462
}

Semantic roles & 50–950 ramp

primary

#CEF17B

secondary

#6D45CB

accent

#08DD47

background

#FEFFFC

surface

#FCFEF6

border

#D5D6D0

text

#15170F

muted

#848580

Preview Lab

Preview with #CEF17B

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

Preview Lab → · Contrast checker → · Palette generator →