#EFFF87#EFFF87

#EFFF87 is a very light, vivid yellow. Relative luminance 0.916; OKLCH L 96.4% C 0.146 H 115.4°. Best body text is #000000 at 19.32:1 contrast (WCAG AA passes).

Color values

HEX	#EFFF87
RGB	rgb(239, 255, 135)
HSL	hsl(68, 100%, 76%)
HSV	hsv(68, 47%, 100%)
CMYK	cmyk(6.3%, 0%, 47.1%, 0%)
CIE-LAB	lab(96.67, -22.09, 55.17)
CIE-LCH	lch(96.67, 59.43, 111.82°)
OKLab	oklab(96.36% -0.0626 0.1316)
OKLCH	oklch(96.36% 0.146 115.4)
XYZ	xyz(75.7307, 91.6209, 36.6121)
Luminance	0.9162 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFF87 #9787FF

analogous

#FFD387 #EFFF87 #B3FF87

triadic

#EFFF87 #87EFFF #FF87EF

tetradic

#EFFF87 #87FFD3 #9787FF #FF87B3

square

#EFFF87 #87FFD3 #9787FF #FF87B3

split-complementary

#EFFF87 #87B3FF #D387FF

monochromatic

#DFFF0D #E7FF4A #EFFF87 #F7FFC4 #FBFFE0

Accessibility & contrast

On white

1.09

#EFFF87 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.32

#EFFF87 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFF87

19.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFF87	#FFFFFF	#000000	##000000
##EFFF87	1.00	1.09	19.32	19.32
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.32	21.00	1.00	1.00
##000000	19.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF57D

Deuteranopia (green-blind)

#FFF68D

Tritanopia (blue-blind)

#FBF3E3

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #efff87;
/* rgb */ color: rgb(239, 255, 135);
/* oklch */ color: oklch(96.4% 0.146 115.4);

Tailwind

colors: {
  custom: {
    50: '#f6ffac',
    500: '#efff87',
    950: '#000000',
  },
}

SCSS

$custom: #efff87;
$custom-light: #f6ffac;
$custom-dark: #000000;

JSON

{
  "hex": "#efff87",
  "rgb": {
    "r": 239,
    "g": 255,
    "b": 135
  },
  "hsl": {
    "h": 68,
    "s": 100,
    "l": 76.471
  },
  "oklch": {
    "l": 0.96356,
    "c": 0.1457,
    "h": 115.4
  },
  "luminance": 0.9162
}

Semantic roles & 50–950 ramp

primary

#EFFF87

secondary

#5F4BDF

accent

#00E61F

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171810

muted

#858681

Preview Lab

Preview with #EFFF87

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

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