#EFFB70#EFFB70

#EFFB70 is a very light, vivid yellow. Relative luminance 0.885; OKLCH L 95.2% C 0.162 H 113.6°. Best body text is #000000 at 18.70:1 contrast (WCAG AA passes).

Color values

HEX	#EFFB70
RGB	rgb(239, 251, 112)
HSL	hsl(65, 95%, 71%)
HSV	hsv(65, 55%, 98%)
CMYK	cmyk(4.8%, 0%, 55.4%, 1.6%)
CIE-LAB	lab(95.38, -22.14, 64.00)
CIE-LCH	lch(95.38, 67.72, 109.08°)
OKLab	oklab(95.25% -0.0649 0.1486)
OKLCH	oklch(95.25% 0.162 113.6)
XYZ	xyz(73.0200, 88.5162, 28.5648)
Luminance	0.8851 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFB70 #7C70FB

analogous

#FBC170 #EFFB70 #A9FB70

triadic

#EFFB70 #70EFFB #FB70EF

tetradic

#EFFB70 #70FBC1 #7C70FB #FB70A9

square

#EFFB70 #70FBC1 #7C70FB #FB70A9

split-complementary

#EFFB70 #70A9FB #C170FB

monochromatic

#D6EA07 #E8F934 #EFFB70 #F6FDAC #FCFEE1

Accessibility & contrast

On white

1.12

#EFFB70 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.70

#EFFB70 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFB70

18.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFB70	#FFFFFF	#000000	##000000
##EFFB70	1.00	1.12	18.70	18.70
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.70	21.00	1.00	1.00
##000000	18.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF061

Deuteranopia (green-blind)

#FFF378

Tritanopia (blue-blind)

#FDEEDD

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #effb70;
/* rgb */ color: rgb(239, 251, 112);
/* oklch */ color: oklch(95.2% 0.162 113.6);

Tailwind

colors: {
  custom: {
    50: '#f7fc9d',
    500: '#effb70',
    950: '#000000',
  },
}

SCSS

$custom: #effb70;
$custom-light: #f7fc9d;
$custom-dark: #000000;

JSON

{
  "hex": "#effb70",
  "rgb": {
    "r": 239,
    "g": 251,
    "b": 112
  },
  "hsl": {
    "h": 65.18,
    "s": 94.558,
    "l": 71.176
  },
  "oklch": {
    "l": 0.95249,
    "c": 0.16218,
    "h": 113.6
  },
  "luminance": 0.88515
}

Semantic roles & 50–950 ramp

primary

#EFFB70

secondary

#4639D7

accent

#00E614

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170F

muted

#858580

Preview Lab

Preview with #EFFB70

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

Preview Lab → · Contrast checker → · Palette generator →