#EFFE79#EFFE79

#EFFE79 is a very light, vivid yellow. Relative luminance 0.906; OKLCH L 96.0% C 0.158 H 114.8°. Best body text is #000000 at 19.12:1 contrast (WCAG AA passes).

Color values

HEX	#EFFE79
RGB	rgb(239, 254, 121)
HSL	hsl(67, 99%, 74%)
HSV	hsv(67, 52%, 100%)
CMYK	cmyk(5.9%, 0%, 52.4%, 0.4%)
CIE-LAB	lab(96.25, -22.85, 61.05)
CIE-LCH	lch(96.25, 65.19, 110.52°)
OKLab	oklab(95.98% -0.066 0.1432)
OKLCH	oklch(95.98% 0.158 114.8)
XYZ	xyz(74.4909, 90.6159, 31.6519)
Luminance	0.9062 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFE79 #8879FE

analogous

#FECA79 #EFFE79 #ACFE79

triadic

#EFFE79 #79EFFE #FE79EF

tetradic

#EFFE79 #79FECA #8879FE #FE79AC

square

#EFFE79 #79FECA #8879FE #FE79AC

split-complementary

#EFFE79 #79ACFE #CA79FE

monochromatic

#DFFB02 #E8FE3C #EFFE79 #F6FEB6 #FBFFE1

Accessibility & contrast

On white

1.10

#EFFE79 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.12

#EFFE79 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFE79

19.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFE79	#FFFFFF	#000000	##000000
##EFFE79	1.00	1.10	19.12	19.12
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.12	21.00	1.00	1.00
##000000	19.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF36C

Deuteranopia (green-blind)

#FFF680

Tritanopia (blue-blind)

#FCF1E0

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #effe79;
/* rgb */ color: rgb(239, 254, 121);
/* oklch */ color: oklch(96.0% 0.158 114.8);

Tailwind

colors: {
  custom: {
    50: '#f6fea3',
    500: '#effe79',
    950: '#000000',
  },
}

SCSS

$custom: #effe79;
$custom-light: #f6fea3;
$custom-dark: #000000;

JSON

{
  "hex": "#effe79",
  "rgb": {
    "r": 239,
    "g": 254,
    "b": 121
  },
  "hsl": {
    "h": 66.767,
    "s": 98.519,
    "l": 73.529
  },
  "oklch": {
    "l": 0.95976,
    "c": 0.15769,
    "h": 114.8
  },
  "luminance": 0.90615
}

Semantic roles & 50–950 ramp

primary

#EFFE79

secondary

#513FDC

accent

#00E61A

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#17170F

muted

#858580

Preview Lab

Preview with #EFFE79

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

Preview Lab → · Contrast checker → · Palette generator →