#EFFF77#EFFF77

#EFFF77 is a very light, vivid yellow. Relative luminance 0.912; OKLCH L 96.2% C 0.161 H 115.1°. Best body text is #000000 at 19.24:1 contrast (WCAG AA passes).

Color values

HEX	#EFFF77
RGB	rgb(239, 255, 119)
HSL	hsl(67, 100%, 73%)
HSV	hsv(67, 53%, 100%)
CMYK	cmyk(6.3%, 0%, 53.3%, 0%)
CIE-LAB	lab(96.49, -23.49, 62.21)
CIE-LCH	lch(96.49, 66.50, 110.69°)
OKLab	oklab(96.16% -0.068 0.1455)
OKLCH	oklch(96.16% 0.161 115.1)
XYZ	xyz(74.6877, 91.2037, 31.1188)
Luminance	0.9120 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFF77 #8777FF

analogous

#FFCB77 #EFFF77 #ABFF77

triadic

#EFFF77 #77EFFF #FF77EF

tetradic

#EFFF77 #77FFCB #8777FF #FF77AB

square

#EFFF77 #77FFCB #8777FF #FF77AB

split-complementary

#EFFF77 #77ABFF #CB77FF

monochromatic

#DEFC00 #E8FF3A #EFFF77 #F6FFB4 #FBFFE0

Accessibility & contrast

On white

1.09

#EFFF77 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.24

#EFFF77 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFF77

19.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFF77	#FFFFFF	#000000	##000000
##EFFF77	1.00	1.09	19.24	19.24
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.24	21.00	1.00	1.00
##000000	19.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF469

Deuteranopia (green-blind)

#FFF67F

Tritanopia (blue-blind)

#FCF2E1

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #efff77;
/* rgb */ color: rgb(239, 255, 119);
/* oklch */ color: oklch(96.2% 0.161 115.1);

Tailwind

colors: {
  custom: {
    50: '#f7ffa2',
    500: '#efff77',
    950: '#000000',
  },
}

SCSS

$custom: #efff77;
$custom-light: #f7ffa2;
$custom-dark: #000000;

JSON

{
  "hex": "#efff77",
  "rgb": {
    "r": 239,
    "g": 255,
    "b": 119
  },
  "hsl": {
    "h": 67.059,
    "s": 100,
    "l": 73.333
  },
  "oklch": {
    "l": 0.96163,
    "c": 0.16064,
    "h": 115.1
  },
  "luminance": 0.91203
}

Semantic roles & 50–950 ramp

primary

#EFFF77

secondary

#503DDD

accent

#00E61B

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#17170F

muted

#858580

Preview Lab

Preview with #EFFF77

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

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