#EFFC85#EFFC85

#EFFC85 is a very light, vivid yellow. Relative luminance 0.897; OKLCH L 95.7% C 0.144 H 114.3°. Best body text is #000000 at 18.93:1 contrast (WCAG AA passes).

Color values

HEX	#EFFC85
RGB	rgb(239, 252, 133)
HSL	hsl(67, 95%, 75%)
HSV	hsv(67, 47%, 99%)
CMYK	cmyk(5.2%, 0%, 47.2%, 1.2%)
CIE-LAB	lab(95.86, -20.85, 55.13)
CIE-LCH	lch(95.86, 58.94, 110.71°)
OKLab	oklab(95.7% -0.0592 0.1313)
OKLCH	oklch(95.7% 0.144 114.3)
XYZ	xyz(74.6417, 89.6660, 35.5609)
Luminance	0.8966 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFC85 #9285FC

analogous

#FCCE85 #EFFC85 #B3FC85

triadic

#EFFC85 #85EFFC #FC85EF

tetradic

#EFFC85 #85FCCE #9285FC #FC85B3

square

#EFFC85 #85FCCE #9285FC #FC85B3

split-complementary

#EFFC85 #85B3FC #CE85FC

monochromatic

#DFF90E #E7FB49 #EFFC85 #F7FDC1 #FBFEE1

Accessibility & contrast

On white

1.11

#EFFC85 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.93

#EFFC85 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFC85

18.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFC85	#FFFFFF	#000000	##000000
##EFFC85	1.00	1.11	18.93	18.93
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.93	21.00	1.00	1.00
##000000	18.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF27B

Deuteranopia (green-blind)

#FFF48B

Tritanopia (blue-blind)

#FBF0E0

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #effc85;
/* rgb */ color: rgb(239, 252, 133);
/* oklch */ color: oklch(95.7% 0.144 114.3);

Tailwind

colors: {
  custom: {
    50: '#f6fdab',
    500: '#effc85',
    950: '#000000',
  },
}

SCSS

$custom: #effc85;
$custom-light: #f6fdab;
$custom-dark: #000000;

JSON

{
  "hex": "#effc85",
  "rgb": {
    "r": 239,
    "g": 252,
    "b": 133
  },
  "hsl": {
    "h": 66.555,
    "s": 95.2,
    "l": 75.49
  },
  "oklch": {
    "l": 0.95703,
    "c": 0.14405,
    "h": 114.3
  },
  "luminance": 0.89665
}

Semantic roles & 50–950 ramp

primary

#EFFC85

secondary

#5A4ADB

accent

#00E619

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFFC85

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

Preview Lab → · Contrast checker → · Palette generator →