#CEF59B#CEF59B

#CEF59B is a very light, vivid yellow-green. Relative luminance 0.808; OKLCH L 92.2% C 0.123 H 127.7°. Best body text is #000000 at 17.16:1 contrast (WCAG AA passes).

Color values

HEX	#CEF59B
RGB	rgb(206, 245, 155)
HSL	hsl(86, 82%, 78%)
HSV	hsv(86, 37%, 96%)
CMYK	cmyk(15.9%, 0%, 36.7%, 3.9%)
CIE-LAB	lab(92.04, -27.39, 39.28)
CIE-LCH	lch(92.04, 47.89, 124.89°)
OKLab	oklab(92.18% -0.0749 0.097)
OKLCH	oklch(92.18% 0.123 127.7)
XYZ	xyz(64.0217, 80.7925, 43.2256)
Luminance	0.8079 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Yellowish Green

#C2FF89

ΔE00 4.65

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CEF59B #C29BF5

analogous

#F5EF9B #CEF59B #A1F59B

triadic

#CEF59B #9BCEF5 #F59BCE

tetradic

#CEF59B #9BF5EF #C29BF5 #F59BA1

square

#CEF59B #9BF5EF #C29BF5 #F59BA1

split-complementary

#CEF59B #9BA1F5 #EF9BF5

monochromatic

#97EA2C #B3EF63 #CEF59B #E9FBD3 #F1FCE3

Accessibility & contrast

On white

1.22

#CEF59B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.16

#CEF59B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CEF59B

17.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CEF59B	#FFFFFF	#000000	##000000
##CEF59B	1.00	1.22	17.16	17.16
#FFFFFF	1.22	1.00	21.00	21.00
#000000	17.16	21.00	1.00	1.00
##000000	17.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEEA95

Deuteranopia (green-blind)

#F8E7A0

Tritanopia (blue-blind)

#D2EDDE

Achromatopsia (no color)

#E8E8E8

Design tokens & code

CSS

--color: #cef59b;
/* rgb */ color: rgb(206, 245, 155);
/* oklch */ color: oklch(92.2% 0.123 127.7);

Tailwind

colors: {
  custom: {
    50: '#def8b9',
    500: '#cef59b',
    950: '#000000',
  },
}

SCSS

$custom: #cef59b;
$custom-light: #def8b9;
$custom-dark: #000000;

JSON

{
  "hex": "#cef59b",
  "rgb": {
    "r": 206,
    "g": 245,
    "b": 155
  },
  "hsl": {
    "h": 86,
    "s": 81.818,
    "l": 78.431
  },
  "oklch": {
    "l": 0.92175,
    "c": 0.12253,
    "h": 127.7
  },
  "luminance": 0.80793
}

Semantic roles & 50–950 ramp

primary

#CEF59B

secondary

#9260D4

accent

#07DE64

background

#FEFFFD

surface

#FCFFF8

border

#D5D7D1

text

#151711

muted

#848581

Preview Lab

Preview with #CEF59B

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

Preview Lab → · Contrast checker → · Palette generator →