#EFFD70#EFFD70

#EFFD70 is a very light, vivid yellow. Relative luminance 0.898; OKLCH L 95.7% C 0.164 H 114.3°. Best body text is #000000 at 18.95:1 contrast (WCAG AA passes).

Color values

HEX	#EFFD70
RGB	rgb(239, 253, 112)
HSL	hsl(66, 97%, 72%)
HSV	hsv(66, 56%, 99%)
CMYK	cmyk(5.5%, 0%, 55.7%, 0.8%)
CIE-LAB	lab(95.90, -23.09, 64.59)
CIE-LCH	lch(95.90, 68.59, 109.67°)
OKLab	oklab(95.67% -0.0676 0.1499)
OKLCH	oklch(95.67% 0.164 114.3)
XYZ	xyz(73.6480, 89.7723, 28.7742)
Luminance	0.8977 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFD70 #7E70FD

analogous

#FDC470 #EFFD70 #A9FD70

triadic

#EFFD70 #70EFFD #FD70EF

tetradic

#EFFD70 #70FDC4 #7E70FD #FD70A9

square

#EFFD70 #70FDC4 #7E70FD #FD70A9

split-complementary

#EFFD70 #70A9FD #C470FD

monochromatic

#D8EF03 #E8FC34 #EFFD70 #F6FEAC #FCFFE1

Accessibility & contrast

On white

1.11

#EFFD70 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.95

#EFFD70 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFD70

18.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFD70	#FFFFFF	#000000	##000000
##EFFD70	1.00	1.11	18.95	18.95
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.95	21.00	1.00	1.00
##000000	18.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF261

Deuteranopia (green-blind)

#FFF578

Tritanopia (blue-blind)

#FDF0DE

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #effd70;
/* rgb */ color: rgb(239, 253, 112);
/* oklch */ color: oklch(95.7% 0.164 114.3);

Tailwind

colors: {
  custom: {
    50: '#f7fe9d',
    500: '#effd70',
    950: '#000000',
  },
}

SCSS

$custom: #effd70;
$custom-light: #f7fe9d;
$custom-dark: #000000;

JSON

{
  "hex": "#effd70",
  "rgb": {
    "r": 239,
    "g": 253,
    "b": 112
  },
  "hsl": {
    "h": 65.957,
    "s": 97.241,
    "l": 71.569
  },
  "oklch": {
    "l": 0.95668,
    "c": 0.16443,
    "h": 114.3
  },
  "luminance": 0.89771
}

Semantic roles & 50–950 ramp

primary

#EFFD70

secondary

#4838D9

accent

#00E617

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170F

muted

#858580

Preview Lab

Preview with #EFFD70

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

Preview Lab → · Contrast checker → · Palette generator →