#EFF777#EFF777

#EFF777 is a very light, vivid yellow. Relative luminance 0.862; OKLCH L 94.5% C 0.152 H 112.2°. Best body text is #000000 at 18.24:1 contrast (WCAG AA passes).

Color values

HEX	#EFF777
RGB	rgb(239, 247, 119)
HSL	hsl(64, 89%, 72%)
HSV	hsv(64, 52%, 97%)
CMYK	cmyk(3.2%, 0%, 51.8%, 3.1%)
CIE-LAB	lab(94.40, -19.67, 59.79)
CIE-LCH	lch(94.40, 62.94, 108.21°)
OKLab	oklab(94.49% -0.0572 0.1403)
OKLCH	oklch(94.49% 0.152 112.2)
XYZ	xyz(72.1886, 86.2055, 30.2857)
Luminance	0.8620 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF777 #7F77F7

analogous

#F7BF77 #EFF777 #AFF777

triadic

#EFF777 #77EFF7 #F777EF

tetradic

#EFF777 #77F7BF #7F77F7 #F777AF

square

#EFF777 #77F7BF #7F77F7 #F777AF

split-complementary

#EFF777 #77AFF7 #BF77F7

monochromatic

#D9E60E #E8F43D #EFF777 #F6FAB1 #FCFDE2

Accessibility & contrast

On white

1.15

#EFF777 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.24

#EFF777 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF777

18.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF777	#FFFFFF	#000000	##000000
##EFF777	1.00	1.15	18.24	18.24
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.24	21.00	1.00	1.00
##000000	18.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED6B

Deuteranopia (green-blind)

#FFF17E

Tritanopia (blue-blind)

#FDEADA

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #eff777;
/* rgb */ color: rgb(239, 247, 119);
/* oklch */ color: oklch(94.5% 0.152 112.2);

Tailwind

colors: {
  custom: {
    50: '#f6f9a2',
    500: '#eff777',
    950: '#000000',
  },
}

SCSS

$custom: #eff777;
$custom-light: #f6f9a2;
$custom-dark: #000000;

JSON

{
  "hex": "#eff777",
  "rgb": {
    "r": 239,
    "g": 247,
    "b": 119
  },
  "hsl": {
    "h": 63.75,
    "s": 88.889,
    "l": 71.765
  },
  "oklch": {
    "l": 0.9449,
    "c": 0.15151,
    "h": 112.2
  },
  "luminance": 0.86204
}

Semantic roles & 50–950 ramp

primary

#EFF777

secondary

#4940D2

accent

#00E60E

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#17170F

muted

#858580

Preview Lab

Preview with #EFF777

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

Preview Lab → · Contrast checker → · Palette generator →