#CEEF55#CEEF55

#CEEF55 is a very light, vivid yellow-green. Relative luminance 0.755; OKLCH L 90.0% C 0.180 H 120.5°. Best body text is #000000 at 16.10:1 contrast (WCAG AA passes).

Color values

HEX	#CEEF55
RGB	rgb(206, 239, 85)
HSL	hsl(73, 83%, 64%)
HSV	hsv(73, 64%, 94%)
CMYK	cmyk(13.8%, 0%, 64.4%, 6.3%)
CIE-LAB	lab(89.63, -31.31, 68.22)
CIE-LCH	lch(89.63, 75.06, 114.65°)
OKLab	oklab(89.99% -0.0913 0.1549)
OKLCH	oklch(89.99% 0.18 120.5)
XYZ	xyz(57.9606, 75.5108, 20.1142)
Luminance	0.7551 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CEEF55 #7655EF

analogous

#EFC355 #CEEF55 #81EF55

triadic

#CEEF55 #55CEEF #EF55CE

tetradic

#CEEF55 #55EFC3 #7655EF #EF5581

square

#CEEF55 #55EFC3 #7655EF #EF5581

split-complementary

#CEEF55 #5581EF #C355EF

monochromatic

#94B811 #BEEA1D #CEEF55 #DEF48D #EEFAC5

Accessibility & contrast

On white

1.30

#CEEF55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.10

#CEEF55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CEEF55

16.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CEEF55	#FFFFFF	#000000	##000000
##CEEF55	1.00	1.30	16.10	16.10
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.10	21.00	1.00	1.00
##000000	16.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE240

Deuteranopia (green-blind)

#F9E260

Tritanopia (blue-blind)

#D9E3CF

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #ceef55;
/* rgb */ color: rgb(206, 239, 85);
/* oklch */ color: oklch(90.0% 0.180 120.5);

Tailwind

colors: {
  custom: {
    50: '#e0f48c',
    500: '#ceef55',
    950: '#000000',
  },
}

SCSS

$custom: #ceef55;
$custom-light: #e0f48c;
$custom-dark: #000000;

JSON

{
  "hex": "#ceef55",
  "rgb": {
    "r": 206,
    "g": 239,
    "b": 85
  },
  "hsl": {
    "h": 72.857,
    "s": 82.796,
    "l": 63.529
  },
  "oklch": {
    "l": 0.89988,
    "c": 0.1798,
    "h": 120.5
  },
  "luminance": 0.75511
}

Semantic roles & 50–950 ramp

primary

#CEEF55

secondary

#4E31B7

accent

#06DF35

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#16170D

muted

#84857F

Preview Lab

Preview with #CEEF55

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

Preview Lab → · Contrast checker → · Palette generator →