#EFFC87#EFFC87

#EFFC87 is a very light, vivid yellow. Relative luminance 0.897; OKLCH L 95.7% C 0.142 H 114.3°. Best body text is #000000 at 18.94:1 contrast (WCAG AA passes).

Color values

HEX	#EFFC87
RGB	rgb(239, 252, 135)
HSL	hsl(67, 95%, 76%)
HSV	hsv(67, 46%, 99%)
CMYK	cmyk(5.2%, 0%, 46.4%, 1.2%)
CIE-LAB	lab(95.88, -20.66, 54.22)
CIE-LCH	lch(95.88, 58.03, 110.86°)
OKLab	oklab(95.73% -0.0585 0.1295)
OKLCH	oklch(95.73% 0.142 114.3)
XYZ	xyz(74.7812, 89.7218, 36.2956)
Luminance	0.8972 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFC87 #9487FC

analogous

#FCCE87 #EFFC87 #B4FC87

triadic

#EFFC87 #87EFFC #FC87EF

tetradic

#EFFC87 #87FCCE #9487FC #FC87B4

square

#EFFC87 #87FCCE #9487FC #FC87B4

split-complementary

#EFFC87 #87B4FC #CE87FC

monochromatic

#DFF910 #E7FB4B #EFFC87 #F7FDC3 #FBFEE1

Accessibility & contrast

On white

1.11

#EFFC87 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.94

#EFFC87 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFC87

18.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFC87	#FFFFFF	#000000	##000000
##EFFC87	1.00	1.11	18.94	18.94
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.94	21.00	1.00	1.00
##000000	18.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF27D

Deuteranopia (green-blind)

#FFF48D

Tritanopia (blue-blind)

#FBF0E1

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #effc87;
/* rgb */ color: rgb(239, 252, 135);
/* oklch */ color: oklch(95.7% 0.142 114.3);

Tailwind

colors: {
  custom: {
    50: '#f6fdac',
    500: '#effc87',
    950: '#000000',
  },
}

SCSS

$custom: #effc87;
$custom-light: #f6fdac;
$custom-dark: #000000;

JSON

{
  "hex": "#effc87",
  "rgb": {
    "r": 239,
    "g": 252,
    "b": 135
  },
  "hsl": {
    "h": 66.667,
    "s": 95.122,
    "l": 75.882
  },
  "oklch": {
    "l": 0.95729,
    "c": 0.14208,
    "h": 114.3
  },
  "luminance": 0.89721
}

Semantic roles & 50–950 ramp

primary

#EFFC87

secondary

#5C4CDB

accent

#00E61A

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFFC87

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

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