#EFF877#EFF877

#EFF877 is a very light, vivid yellow. Relative luminance 0.868; OKLCH L 94.7% C 0.153 H 112.6°. Best body text is #000000 at 18.36:1 contrast (WCAG AA passes).

Color values

HEX	#EFF877
RGB	rgb(239, 248, 119)
HSL	hsl(64, 90%, 72%)
HSV	hsv(64, 52%, 97%)
CMYK	cmyk(3.6%, 0%, 52%, 2.7%)
CIE-LAB	lab(94.66, -20.15, 60.09)
CIE-LCH	lch(94.66, 63.38, 108.54°)
OKLab	oklab(94.7% -0.0586 0.141)
OKLCH	oklch(94.7% 0.153 112.6)
XYZ	xyz(72.4953, 86.8188, 30.3879)
Luminance	0.8682 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF877 #8077F8

analogous

#F8C177 #EFF877 #AFF877

triadic

#EFF877 #77EFF8 #F877EF

tetradic

#EFF877 #77F8C1 #8077F8 #F877AF

square

#EFF877 #77F8C1 #8077F8 #F877AF

split-complementary

#EFF877 #77AFF8 #C177F8

monochromatic

#D9E90C #E8F53D #EFF877 #F6FBB1 #FCFEE2

Accessibility & contrast

On white

1.14

#EFF877 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.36

#EFF877 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF877

18.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF877	#FFFFFF	#000000	##000000
##EFF877	1.00	1.14	18.36	18.36
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.36	21.00	1.00	1.00
##000000	18.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE6A

Deuteranopia (green-blind)

#FFF17E

Tritanopia (blue-blind)

#FDEBDB

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #eff877;
/* rgb */ color: rgb(239, 248, 119);
/* oklch */ color: oklch(94.7% 0.153 112.6);

Tailwind

colors: {
  custom: {
    50: '#f6faa2',
    500: '#eff877',
    950: '#000000',
  },
}

SCSS

$custom: #eff877;
$custom-light: #f6faa2;
$custom-dark: #000000;

JSON

{
  "hex": "#eff877",
  "rgb": {
    "r": 239,
    "g": 248,
    "b": 119
  },
  "hsl": {
    "h": 64.186,
    "s": 90.21,
    "l": 71.961
  },
  "oklch": {
    "l": 0.94698,
    "c": 0.15264,
    "h": 112.6
  },
  "luminance": 0.86817
}

Semantic roles & 50–950 ramp

primary

#EFF877

secondary

#4A3FD4

accent

#00E610

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#17170F

muted

#858580

Preview Lab

Preview with #EFF877

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

Preview Lab → · Contrast checker → · Palette generator →