#EFF989#EFF989

#EFF989 is a very light, vivid yellow. Relative luminance 0.879; OKLCH L 95.1% C 0.137 H 113.2°. Best body text is #000000 at 18.58:1 contrast (WCAG AA passes).

Color values

HEX	#EFF989
RGB	rgb(239, 249, 137)
HSL	hsl(65, 90%, 76%)
HSV	hsv(65, 45%, 98%)
CMYK	cmyk(4%, 0%, 45%, 2.4%)
CIE-LAB	lab(95.12, -19.03, 52.36)
CIE-LCH	lch(95.12, 55.71, 109.97°)
OKLab	oklab(95.13% -0.0537 0.1255)
OKLCH	oklch(95.13% 0.137 113.2)
XYZ	xyz(73.9887, 87.9094, 36.7326)
Luminance	0.8791 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF989 #9389F9

analogous

#F9CB89 #EFF989 #B7F989

triadic

#EFF989 #89EFF9 #F989EF

tetradic

#EFF989 #89F9CB #9389F9 #F989B7

square

#EFF989 #89F9CB #9389F9 #F989B7

split-complementary

#EFF989 #89B7F9 #CB89F9

monochromatic

#DFF315 #E7F64F #EFF989 #F7FCC3 #FBFEE2

Accessibility & contrast

On white

1.13

#EFF989 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.58

#EFF989 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF989

18.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF989	#FFFFFF	#000000	##000000
##EFF989	1.00	1.13	18.58	18.58
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.58	21.00	1.00	1.00
##000000	18.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF080

Deuteranopia (green-blind)

#FFF28F

Tritanopia (blue-blind)

#FBEEDF

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #eff989;
/* rgb */ color: rgb(239, 249, 137);
/* oklch */ color: oklch(95.1% 0.137 113.2);

Tailwind

colors: {
  custom: {
    50: '#f6fbad',
    500: '#eff989',
    950: '#000000',
  },
}

SCSS

$custom: #eff989;
$custom-light: #f6fbad;
$custom-dark: #000000;

JSON

{
  "hex": "#eff989",
  "rgb": {
    "r": 239,
    "g": 249,
    "b": 137
  },
  "hsl": {
    "h": 65.357,
    "s": 90.323,
    "l": 75.686
  },
  "oklch": {
    "l": 0.95132,
    "c": 0.1365,
    "h": 113.2
  },
  "luminance": 0.87908
}

Semantic roles & 50–950 ramp

primary

#EFF989

secondary

#5B4FD7

accent

#00E614

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFF989

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

Preview Lab → · Contrast checker → · Palette generator →