#EFFF60#EFFF60

#EFFF60 is a very light, vivid yellow. Relative luminance 0.907; OKLCH L 95.9% C 0.179 H 114.7°. Best body text is #000000 at 19.14:1 contrast (WCAG AA passes).

Color values

HEX	#EFFF60
RGB	rgb(239, 255, 96)
HSL	hsl(66, 100%, 69%)
HSV	hsv(66, 62%, 100%)
CMYK	cmyk(6.3%, 0%, 62.4%, 0%)
CIE-LAB	lab(96.29, -25.15, 71.63)
CIE-LCH	lch(96.29, 75.91, 109.35°)
OKLab	oklab(95.94% -0.0749 0.1629)
OKLCH	oklch(95.94% 0.179 114.7)
XYZ	xyz(73.4697, 90.7165, 24.7038)
Luminance	0.9072 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFF60 #7060FF

analogous

#FFC060 #EFFF60 #A0FF60

triadic

#EFFF60 #60EFFF #FF60EF

tetradic

#EFFF60 #60FFC0 #7060FF #FF60A0

square

#EFFF60 #60FFC0 #7060FF #FF60A0

split-complementary

#EFFF60 #60A0FF #C060FF

monochromatic

#CEE500 #E9FF23 #EFFF60 #F5FF9D #FBFFDA

Accessibility & contrast

On white

1.10

#EFFF60 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.14

#EFFF60 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFF60

19.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFF60	#FFFFFF	#000000	##000000
##EFFF60	1.00	1.10	19.14	19.14
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.14	21.00	1.00	1.00
##000000	19.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF34C

Deuteranopia (green-blind)

#FFF66B

Tritanopia (blue-blind)

#FDF1DE

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #efff60;
/* rgb */ color: rgb(239, 255, 96);
/* oklch */ color: oklch(95.9% 0.179 114.7);

Tailwind

colors: {
  custom: {
    50: '#f7ff94',
    500: '#efff60',
    950: '#000000',
  },
}

SCSS

$custom: #efff60;
$custom-light: #f7ff94;
$custom-dark: #000000;

JSON

{
  "hex": "#efff60",
  "rgb": {
    "r": 239,
    "g": 255,
    "b": 96
  },
  "hsl": {
    "h": 66.038,
    "s": 100,
    "l": 68.824
  },
  "oklch": {
    "l": 0.95938,
    "c": 0.17929,
    "h": 114.7
  },
  "luminance": 0.90715
}

Semantic roles & 50–950 ramp

primary

#EFFF60

secondary

#3B2AD9

accent

#00E617

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFFF60

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

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