#CEF55A#CEF55A

#CEF55A is a very light, vivid yellow-green. Relative luminance 0.792; OKLCH L 91.4% C 0.183 H 122.2°. Best body text is #000000 at 16.83:1 contrast (WCAG AA passes).

Color values

HEX	#CEF55A
RGB	rgb(206, 245, 90)
HSL	hsl(75, 89%, 66%)
HSV	hsv(75, 63%, 96%)
CMYK	cmyk(15.9%, 0%, 63.3%, 3.9%)
CIE-LAB	lab(91.31, -33.73, 68.03)
CIE-LCH	lch(91.31, 75.93, 116.38°)
OKLab	oklab(91.35% -0.0976 0.1552)
OKLCH	oklch(91.35% 0.183 122.2)
XYZ	xyz(59.9521, 79.1647, 21.7928)
Luminance	0.7916 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CEF55A #815AF5

analogous

#F5CF5A #CEF55A #80F55A

triadic

#CEF55A #5ACEF5 #F55ACE

tetradic

#CEF55A #5AF5CF #815AF5 #F55A80

square

#CEF55A #5AF5CF #815AF5 #F55A80

split-complementary

#CEF55A #5A80F5 #CF5AF5

monochromatic

#99C80C #BDF220 #CEF55A #DFF894 #F0FCCD

Accessibility & contrast

On white

1.25

#CEF55A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.83

#CEF55A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CEF55A

16.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CEF55A	#FFFFFF	#000000	##000000
##CEF55A	1.00	1.25	16.83	16.83
#FFFFFF	1.25	1.00	21.00	21.00
#000000	16.83	21.00	1.00	1.00
##000000	16.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE746

Deuteranopia (green-blind)

#FEE665

Tritanopia (blue-blind)

#D8E9D5

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #cef55a;
/* rgb */ color: rgb(206, 245, 90);
/* oklch */ color: oklch(91.4% 0.183 122.2);

Tailwind

colors: {
  custom: {
    50: '#e0f88f',
    500: '#cef55a',
    950: '#000000',
  },
}

SCSS

$custom: #cef55a;
$custom-light: #e0f88f;
$custom-dark: #000000;

JSON

{
  "hex": "#cef55a",
  "rgb": {
    "r": 206,
    "g": 245,
    "b": 90
  },
  "hsl": {
    "h": 75.097,
    "s": 88.571,
    "l": 65.686
  },
  "oklch": {
    "l": 0.91351,
    "c": 0.18329,
    "h": 122.2
  },
  "luminance": 0.79165
}

Semantic roles & 50–950 ramp

primary

#CEF55A

secondary

#542EC5

accent

#00E53A

background

#FEFFFC

surface

#FCFFF4

border

#D5D7CE

text

#16170D

muted

#84857F

Preview Lab

Preview with #CEF55A

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

Preview Lab → · Contrast checker → · Palette generator →