#EFFB71#EFFB71

#EFFB71 is a very light, vivid yellow. Relative luminance 0.885; OKLCH L 95.3% C 0.161 H 113.6°. Best body text is #000000 at 18.71:1 contrast (WCAG AA passes).

Color values

HEX	#EFFB71
RGB	rgb(239, 251, 113)
HSL	hsl(65, 95%, 71%)
HSV	hsv(65, 55%, 98%)
CMYK	cmyk(4.8%, 0%, 55%, 1.6%)
CIE-LAB	lab(95.39, -22.06, 63.58)
CIE-LCH	lch(95.39, 67.30, 109.14°)
OKLab	oklab(95.26% -0.0646 0.1478)
OKLCH	oklch(95.26% 0.161 113.6)
XYZ	xyz(73.0760, 88.5386, 28.8597)
Luminance	0.8854 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFB71 #7D71FB

analogous

#FBC271 #EFFB71 #AAFB71

triadic

#EFFB71 #71EFFB #FB71EF

tetradic

#EFFB71 #71FBC2 #7D71FB #FB71AA

square

#EFFB71 #71FBC2 #7D71FB #FB71AA

split-complementary

#EFFB71 #71AAFB #C271FB

monochromatic

#D7EB07 #E8F935 #EFFB71 #F6FDAD #FCFEE1

Accessibility & contrast

On white

1.12

#EFFB71 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.71

#EFFB71 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFB71

18.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFB71	#FFFFFF	#000000	##000000
##EFFB71	1.00	1.12	18.71	18.71
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.71	21.00	1.00	1.00
##000000	18.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF063

Deuteranopia (green-blind)

#FFF379

Tritanopia (blue-blind)

#FDEEDD

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #effb71;
/* rgb */ color: rgb(239, 251, 113);
/* oklch */ color: oklch(95.3% 0.161 113.6);

Tailwind

colors: {
  custom: {
    50: '#f7fc9e',
    500: '#effb71',
    950: '#000000',
  },
}

SCSS

$custom: #effb71;
$custom-light: #f7fc9e;
$custom-dark: #000000;

JSON

{
  "hex": "#effb71",
  "rgb": {
    "r": 239,
    "g": 251,
    "b": 113
  },
  "hsl": {
    "h": 65.217,
    "s": 94.521,
    "l": 71.373
  },
  "oklch": {
    "l": 0.9526,
    "c": 0.16132,
    "h": 113.6
  },
  "luminance": 0.88537
}

Semantic roles & 50–950 ramp

primary

#EFFB71

secondary

#4739D7

accent

#00E614

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170F

muted

#858580

Preview Lab

Preview with #EFFB71

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

Preview Lab → · Contrast checker → · Palette generator →