#EFFE5D#EFFE5D

#EFFE5D is a very light, vivid yellow. Relative luminance 0.900; OKLCH L 95.7% C 0.180 H 114.4°. Best body text is #000000 at 19.01:1 contrast (WCAG AA passes).

Color values

HEX	#EFFE5D
RGB	rgb(239, 254, 93)
HSL	hsl(66, 99%, 68%)
HSV	hsv(66, 63%, 100%)
CMYK	cmyk(5.9%, 0%, 63.4%, 0.4%)
CIE-LAB	lab(96.01, -24.86, 72.50)
CIE-LCH	lch(96.01, 76.64, 108.93°)
OKLab	oklab(95.7% -0.0744 0.1643)
OKLCH	oklch(95.7% 0.18 114.4)
XYZ	xyz(73.0160, 90.0259, 23.8842)
Luminance	0.9002 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFE5D #6C5DFE

analogous

#FEBC5D #EFFE5D #9EFE5D

triadic

#EFFE5D #5DEFFE #FE5DEF

tetradic

#EFFE5D #5DFEBC #6C5DFE #FE5D9E

square

#EFFE5D #5DFEBC #6C5DFE #FE5D9E

split-complementary

#EFFE5D #5D9EFE #BC5DFE

monochromatic

#CBDF01 #E9FE20 #EFFE5D #F5FE9A #FBFFD7

Accessibility & contrast

On white

1.10

#EFFE5D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.01

#EFFE5D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFE5D

19.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFE5D	#FFFFFF	#000000	##000000
##EFFE5D	1.00	1.10	19.01	19.01
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.01	21.00	1.00	1.00
##000000	19.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF248

Deuteranopia (green-blind)

#FFF568

Tritanopia (blue-blind)

#FEF0DD

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #effe5d;
/* rgb */ color: rgb(239, 254, 93);
/* oklch */ color: oklch(95.7% 0.180 114.4);

Tailwind

colors: {
  custom: {
    50: '#f7fe92',
    500: '#effe5d',
    950: '#000000',
  },
}

SCSS

$custom: #effe5d;
$custom-light: #f7fe92;
$custom-dark: #000000;

JSON

{
  "hex": "#effe5d",
  "rgb": {
    "r": 239,
    "g": 254,
    "b": 93
  },
  "hsl": {
    "h": 65.59,
    "s": 98.773,
    "l": 68.039
  },
  "oklch": {
    "l": 0.95702,
    "c": 0.18037,
    "h": 114.4
  },
  "luminance": 0.90025
}

Semantic roles & 50–950 ramp

primary

#EFFE5D

secondary

#3828D8

accent

#00E615

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170D

muted

#86857F

Preview Lab

Preview with #EFFE5D

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

Preview Lab → · Contrast checker → · Palette generator →