#EFFE77#EFFE77

#EFFE77 is a very light, vivid yellow. Relative luminance 0.906; OKLCH L 96.0% C 0.159 H 114.7°. Best body text is #000000 at 19.11:1 contrast (WCAG AA passes).

Color values

HEX	#EFFE77
RGB	rgb(239, 254, 119)
HSL	hsl(67, 99%, 73%)
HSV	hsv(67, 53%, 100%)
CMYK	cmyk(5.9%, 0%, 53.1%, 0.4%)
CIE-LAB	lab(96.23, -23.02, 61.91)
CIE-LCH	lch(96.23, 66.05, 110.39°)
OKLab	oklab(95.95% -0.0667 0.1449)
OKLCH	oklch(95.95% 0.159 114.7)
XYZ	xyz(74.3695, 90.5673, 31.0127)
Luminance	0.9057 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFE77 #8677FE

analogous

#FECA77 #EFFE77 #ABFE77

triadic

#EFFE77 #77EFFE #FE77EF

tetradic

#EFFE77 #77FECA #8677FE #FE77AB

square

#EFFE77 #77FECA #8677FE #FE77AB

split-complementary

#EFFE77 #77ABFE #CA77FE

monochromatic

#DDF902 #E8FE3A #EFFE77 #F6FEB4 #FBFFE1

Accessibility & contrast

On white

1.10

#EFFE77 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.11

#EFFE77 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFE77

19.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFE77	#FFFFFF	#000000	##000000
##EFFE77	1.00	1.10	19.11	19.11
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.11	21.00	1.00	1.00
##000000	19.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF36A

Deuteranopia (green-blind)

#FFF57F

Tritanopia (blue-blind)

#FCF1E0

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #effe77;
/* rgb */ color: rgb(239, 254, 119);
/* oklch */ color: oklch(96.0% 0.159 114.7);

Tailwind

colors: {
  custom: {
    50: '#f7fea2',
    500: '#effe77',
    950: '#000000',
  },
}

SCSS

$custom: #effe77;
$custom-light: #f7fea2;
$custom-dark: #000000;

JSON

{
  "hex": "#effe77",
  "rgb": {
    "r": 239,
    "g": 254,
    "b": 119
  },
  "hsl": {
    "h": 66.667,
    "s": 98.54,
    "l": 73.137
  },
  "oklch": {
    "l": 0.95954,
    "c": 0.15948,
    "h": 114.7
  },
  "luminance": 0.90566
}

Semantic roles & 50–950 ramp

primary

#EFFE77

secondary

#4F3EDC

accent

#00E61A

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#17170F

muted

#858580

Preview Lab

Preview with #EFFE77

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

Preview Lab → · Contrast checker → · Palette generator →