#EFFC70#EFFC70

#EFFC70 is a very light, vivid yellow. Relative luminance 0.891; OKLCH L 95.5% C 0.163 H 113.9°. Best body text is #000000 at 18.83:1 contrast (WCAG AA passes).

Color values

HEX	#EFFC70
RGB	rgb(239, 252, 112)
HSL	hsl(66, 96%, 71%)
HSV	hsv(66, 56%, 99%)
CMYK	cmyk(5.2%, 0%, 55.6%, 1.2%)
CIE-LAB	lab(95.64, -22.62, 64.29)
CIE-LCH	lch(95.64, 68.16, 109.38°)
OKLab	oklab(95.46% -0.0662 0.1493)
OKLCH	oklch(95.46% 0.163 113.9)
XYZ	xyz(73.3332, 89.1426, 28.6692)
Luminance	0.8914 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFC70 #7D70FC

analogous

#FCC370 #EFFC70 #A9FC70

triadic

#EFFC70 #70EFFC #FC70EF

tetradic

#EFFC70 #70FCC3 #7D70FC #FC70A9

square

#EFFC70 #70FCC3 #7D70FC #FC70A9

split-complementary

#EFFC70 #70A9FC #C370FC

monochromatic

#D7ED05 #E8FB34 #EFFC70 #F6FDAC #FCFEE1

Accessibility & contrast

On white

1.12

#EFFC70 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.83

#EFFC70 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFC70

18.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFC70	#FFFFFF	#000000	##000000
##EFFC70	1.00	1.12	18.83	18.83
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.83	21.00	1.00	1.00
##000000	18.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF161

Deuteranopia (green-blind)

#FFF478

Tritanopia (blue-blind)

#FDEFDD

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #effc70;
/* rgb */ color: rgb(239, 252, 112);
/* oklch */ color: oklch(95.5% 0.163 113.9);

Tailwind

colors: {
  custom: {
    50: '#f7fd9d',
    500: '#effc70',
    950: '#000000',
  },
}

SCSS

$custom: #effc70;
$custom-light: #f7fd9d;
$custom-dark: #000000;

JSON

{
  "hex": "#effc70",
  "rgb": {
    "r": 239,
    "g": 252,
    "b": 112
  },
  "hsl": {
    "h": 65.571,
    "s": 95.89,
    "l": 71.373
  },
  "oklch": {
    "l": 0.95459,
    "c": 0.1633,
    "h": 113.9
  },
  "luminance": 0.89141
}

Semantic roles & 50–950 ramp

primary

#EFFC70

secondary

#4738D8

accent

#00E615

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170F

muted

#858580

Preview Lab

Preview with #EFFC70

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

Preview Lab → · Contrast checker → · Palette generator →