#EFF98B#EFF98B

#EFF98B is a very light, vivid yellow. Relative luminance 0.880; OKLCH L 95.2% C 0.134 H 113.2°. Best body text is #000000 at 18.59:1 contrast (WCAG AA passes).

Color values

HEX	#EFF98B
RGB	rgb(239, 249, 139)
HSL	hsl(65, 90%, 76%)
HSV	hsv(65, 44%, 98%)
CMYK	cmyk(4%, 0%, 44.2%, 2.4%)
CIE-LAB	lab(95.15, -18.83, 51.45)
CIE-LCH	lch(95.15, 54.79, 110.10°)
OKLab	oklab(95.16% -0.053 0.1236)
OKLCH	oklch(95.16% 0.134 113.2)
XYZ	xyz(74.1335, 87.9673, 37.4952)
Luminance	0.8797 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF98B #958BF9

analogous

#F9CC8B #EFF98B #B8F98B

triadic

#EFF98B #8BEFF9 #F98BEF

tetradic

#EFF98B #8BF9CC #958BF9 #F98BB8

square

#EFF98B #8BF9CC #958BF9 #F98BB8

split-complementary

#EFF98B #8BB8F9 #CC8BF9

monochromatic

#DFF317 #E7F651 #EFF98B #F7FCC5 #FBFDE2

Accessibility & contrast

On white

1.13

#EFF98B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.59

#EFF98B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF98B

18.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF98B	#FFFFFF	#000000	##000000
##EFF98B	1.00	1.13	18.59	18.59
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.59	21.00	1.00	1.00
##000000	18.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF082

Deuteranopia (green-blind)

#FFF290

Tritanopia (blue-blind)

#FBEEDF

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #eff98b;
/* rgb */ color: rgb(239, 249, 139);
/* oklch */ color: oklch(95.2% 0.134 113.2);

Tailwind

colors: {
  custom: {
    50: '#f6fbaf',
    500: '#eff98b',
    950: '#000000',
  },
}

SCSS

$custom: #eff98b;
$custom-light: #f6fbaf;
$custom-dark: #000000;

JSON

{
  "hex": "#eff98b",
  "rgb": {
    "r": 239,
    "g": 249,
    "b": 139
  },
  "hsl": {
    "h": 65.455,
    "s": 90.164,
    "l": 76.078
  },
  "oklch": {
    "l": 0.95159,
    "c": 0.13447,
    "h": 113.2
  },
  "luminance": 0.87966
}

Semantic roles & 50–950 ramp

primary

#EFF98B

secondary

#5D51D8

accent

#00E615

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFF98B

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

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