#EFF279#EFF279

#EFF279 is a very light, vivid yellow. Relative luminance 0.832; OKLCH L 93.5% C 0.144 H 110.2°. Best body text is #000000 at 17.65:1 contrast (WCAG AA passes).

Color values

HEX	#EFF279
RGB	rgb(239, 242, 121)
HSL	hsl(61, 82%, 71%)
HSV	hsv(61, 50%, 95%)
CMYK	cmyk(1.2%, 0%, 50%, 5.1%)
CIE-LAB	lab(93.12, -17.09, 57.39)
CIE-LCH	lch(93.12, 59.88, 106.58°)
OKLab	oklab(93.47% -0.0497 0.1353)
OKLCH	oklch(93.47% 0.144 110.2)
XYZ	xyz(70.8015, 83.2370, 30.4221)
Luminance	0.8324 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF279 #7C79F2

analogous

#F2B879 #EFF279 #B2F279

triadic

#EFF279 #79EFF2 #F279EF

tetradic

#EFF279 #79F2B8 #7C79F2 #F279B2

square

#EFF279 #79F2B8 #7C79F2 #F279B2

split-complementary

#EFF279 #79B2F2 #B879F2

monochromatic

#D6DB15 #E8ED41 #EFF279 #F6F7B1 #FCFCE3

Accessibility & contrast

On white

1.19

#EFF279 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.65

#EFF279 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF279

17.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF279	#FFFFFF	#000000	##000000
##EFF279	1.00	1.19	17.65	17.65
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.65	21.00	1.00	1.00
##000000	17.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE96E

Deuteranopia (green-blind)

#FFED7F

Tritanopia (blue-blind)

#FDE5D7

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #eff279;
/* rgb */ color: rgb(239, 242, 121);
/* oklch */ color: oklch(93.5% 0.144 110.2);

Tailwind

colors: {
  custom: {
    50: '#f6f6a3',
    500: '#eff279',
    950: '#000000',
  },
}

SCSS

$custom: #eff279;
$custom-light: #f6f6a3;
$custom-dark: #000000;

JSON

{
  "hex": "#eff279",
  "rgb": {
    "r": 239,
    "g": 242,
    "b": 121
  },
  "hsl": {
    "h": 61.488,
    "s": 82.313,
    "l": 71.176
  },
  "oklch": {
    "l": 0.93474,
    "c": 0.14409,
    "h": 110.2
  },
  "luminance": 0.83235
}

Semantic roles & 50–950 ramp

primary

#EFF279

secondary

#4643CC

accent

#07DF0C

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#17170F

muted

#858580

Preview Lab

Preview with #EFF279

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

Preview Lab → · Contrast checker → · Palette generator →