#EFFB85#EFFB85

#EFFB85 is a very light, vivid yellow. Relative luminance 0.890; OKLCH L 95.5% C 0.143 H 113.9°. Best body text is #000000 at 18.81:1 contrast (WCAG AA passes).

Color values

HEX	#EFFB85
RGB	rgb(239, 251, 133)
HSL	hsl(66, 94%, 75%)
HSV	hsv(66, 47%, 98%)
CMYK	cmyk(4.8%, 0%, 47%, 1.6%)
CIE-LAB	lab(95.60, -20.37, 54.81)
CIE-LCH	lch(95.60, 58.47, 110.38°)
OKLab	oklab(95.49% -0.0579 0.1306)
OKLCH	oklch(95.49% 0.143 113.9)
XYZ	xyz(74.3285, 89.0396, 35.4565)
Luminance	0.8904 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFB85 #9185FB

analogous

#FBCC85 #EFFB85 #B4FB85

triadic

#EFFB85 #85EFFB #FB85EF

tetradic

#EFFB85 #85FBCC #9185FB #FB85B4

square

#EFFB85 #85FBCC #9185FB #FB85B4

split-complementary

#EFFB85 #85B4FB #CC85FB

monochromatic

#DFF70E #E7F94A #EFFB85 #F7FDC0 #FBFEE1

Accessibility & contrast

On white

1.12

#EFFB85 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.81

#EFFB85 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFB85

18.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFB85	#FFFFFF	#000000	##000000
##EFFB85	1.00	1.12	18.81	18.81
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.81	21.00	1.00	1.00
##000000	18.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF17B

Deuteranopia (green-blind)

#FFF48B

Tritanopia (blue-blind)

#FBEFE0

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #effb85;
/* rgb */ color: rgb(239, 251, 133);
/* oklch */ color: oklch(95.5% 0.143 113.9);

Tailwind

colors: {
  custom: {
    50: '#f6fcab',
    500: '#effb85',
    950: '#000000',
  },
}

SCSS

$custom: #effb85;
$custom-light: #f6fcab;
$custom-dark: #000000;

JSON

{
  "hex": "#effb85",
  "rgb": {
    "r": 239,
    "g": 251,
    "b": 133
  },
  "hsl": {
    "h": 66.102,
    "s": 93.651,
    "l": 75.294
  },
  "oklch": {
    "l": 0.95495,
    "c": 0.14286,
    "h": 113.9
  },
  "luminance": 0.89039
}

Semantic roles & 50–950 ramp

primary

#EFFB85

secondary

#594BD9

accent

#00E617

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFFB85

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

Preview Lab → · Contrast checker → · Palette generator →