#EFF397#EFF397

#EFF397 is a very light, moderate yellow. Relative luminance 0.847; OKLCH L 94.1% C 0.115 H 110.6°. Best body text is #000000 at 17.94:1 contrast (WCAG AA passes).

Color values

HEX	#EFF397
RGB	rgb(239, 243, 151)
HSL	hsl(63, 79%, 77%)
HSV	hsv(63, 38%, 95%)
CMYK	cmyk(1.6%, 0%, 37.9%, 4.7%)
CIE-LAB	lab(93.75, -14.67, 43.91)
CIE-LCH	lch(93.75, 46.30, 108.47°)
OKLab	oklab(94.1% -0.0402 0.1073)
OKLCH	oklch(94.1% 0.115 110.6)
XYZ	xyz(73.2339, 84.6875, 41.7606)
Luminance	0.8469 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF397 #9B97F3

analogous

#F3C997 #EFF397 #C1F397

triadic

#EFF397 #97EFF3 #F397EF

tetradic

#EFF397 #97F3C9 #9B97F3 #F397C1

square

#EFF397 #97F3C9 #9B97F3 #F397C1

split-complementary

#EFF397 #97C1F3 #C997F3

monochromatic

#DEE629 #E7ED60 #EFF397 #F7F9CE #FBFCE4

Accessibility & contrast

On white

1.17

#EFF397 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.94

#EFF397 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF397

17.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF397	#FFFFFF	#000000	##000000
##EFF397	1.00	1.17	17.94	17.94
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.94	21.00	1.00	1.00
##000000	17.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB90

Deuteranopia (green-blind)

#FFEF9B

Tritanopia (blue-blind)

#FAE9DC

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #eff397;
/* rgb */ color: rgb(239, 243, 151);
/* oklch */ color: oklch(94.1% 0.115 110.6);

Tailwind

colors: {
  custom: {
    50: '#f5f7b7',
    500: '#eff397',
    950: '#000000',
  },
}

SCSS

$custom: #eff397;
$custom-light: #f5f7b7;
$custom-dark: #000000;

JSON

{
  "hex": "#eff397",
  "rgb": {
    "r": 239,
    "g": 243,
    "b": 151
  },
  "hsl": {
    "h": 62.609,
    "s": 79.31,
    "l": 77.255
  },
  "oklch": {
    "l": 0.94096,
    "c": 0.11455,
    "h": 110.6
  },
  "luminance": 0.84686
}

Semantic roles & 50–950 ramp

primary

#EFF397

secondary

#625DD1

accent

#0ADC13

background

#FFFFFD

surface

#FFFEF8

border

#D7D6D1

text

#171711

muted

#858581

Preview Lab

Preview with #EFF397

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

Preview Lab → · Contrast checker → · Palette generator →