#EFF87F#EFF87F

#EFF87F is a very light, vivid yellow. Relative luminance 0.870; OKLCH L 94.8% C 0.145 H 112.6°. Best body text is #000000 at 18.40:1 contrast (WCAG AA passes).

Color values

HEX	#EFF87F
RGB	rgb(239, 248, 127)
HSL	hsl(64, 90%, 74%)
HSV	hsv(64, 49%, 97%)
CMYK	cmyk(3.6%, 0%, 48.8%, 2.7%)
CIE-LAB	lab(94.75, -19.47, 56.56)
CIE-LCH	lch(94.75, 59.82, 108.99°)
OKLab	oklab(94.79% -0.0559 0.134)
OKLCH	oklch(94.79% 0.145 112.6)
XYZ	xyz(72.9961, 87.0191, 33.0256)
Luminance	0.8702 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF87F #887FF8

analogous

#F8C47F #EFF87F #B2F87F

triadic

#EFF87F #7FEFF8 #F87FEF

tetradic

#EFF87F #7FF8C4 #887FF8 #F87FB2

square

#EFF87F #7FF8C4 #887FF8 #F87FB2

split-complementary

#EFF87F #7FB2F8 #C47FF8

monochromatic

#DFF00D #E8F545 #EFF87F #F6FBB9 #FBFDE2

Accessibility & contrast

On white

1.14

#EFF87F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.40

#EFF87F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF87F

18.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF87F	#FFFFFF	#000000	##000000
##EFF87F	1.00	1.14	18.40	18.40
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.40	21.00	1.00	1.00
##000000	18.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE74

Deuteranopia (green-blind)

#FFF185

Tritanopia (blue-blind)

#FCECDC

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #eff87f;
/* rgb */ color: rgb(239, 248, 127);
/* oklch */ color: oklch(94.8% 0.145 112.6);

Tailwind

colors: {
  custom: {
    50: '#f6faa7',
    500: '#eff87f',
    950: '#000000',
  },
}

SCSS

$custom: #eff87f;
$custom-light: #f6faa7;
$custom-dark: #000000;

JSON

{
  "hex": "#eff87f",
  "rgb": {
    "r": 239,
    "g": 248,
    "b": 127
  },
  "hsl": {
    "h": 64.463,
    "s": 89.63,
    "l": 73.529
  },
  "oklch": {
    "l": 0.94794,
    "c": 0.14518,
    "h": 112.6
  },
  "luminance": 0.87018
}

Semantic roles & 50–950 ramp

primary

#EFF87F

secondary

#5146D5

accent

#00E611

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#171710

muted

#858580

Preview Lab

Preview with #EFF87F

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

Preview Lab → · Contrast checker → · Palette generator →