#EFF278#EFF278

#EFF278 is a very light, vivid yellow. Relative luminance 0.832; OKLCH L 93.5% C 0.145 H 110.2°. Best body text is #000000 at 17.64:1 contrast (WCAG AA passes).

Color values

HEX	#EFF278
RGB	rgb(239, 242, 120)
HSL	hsl(61, 82%, 71%)
HSV	hsv(61, 50%, 95%)
CMYK	cmyk(1.2%, 0%, 50.4%, 5.1%)
CIE-LAB	lab(93.11, -17.17, 57.83)
CIE-LCH	lch(93.11, 60.32, 106.54°)
OKLab	oklab(93.46% -0.05 0.1361)
OKLCH	oklch(93.46% 0.145 110.2)
XYZ	xyz(70.7405, 83.2126, 30.1008)
Luminance	0.8321 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF278 #7B78F2

analogous

#F2B878 #EFF278 #B2F278

triadic

#EFF278 #78EFF2 #F278EF

tetradic

#EFF278 #78F2B8 #7B78F2 #F278B2

square

#EFF278 #78F2B8 #7B78F2 #F278B2

split-complementary

#EFF278 #78B2F2 #B878F2

monochromatic

#D6DB15 #E8ED40 #EFF278 #F6F7B0 #FCFCE3

Accessibility & contrast

On white

1.19

#EFF278 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.64

#EFF278 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF278

17.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF278	#FFFFFF	#000000	##000000
##EFF278	1.00	1.19	17.64	17.64
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.64	21.00	1.00	1.00
##000000	17.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE96D

Deuteranopia (green-blind)

#FFED7E

Tritanopia (blue-blind)

#FDE5D6

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #eff278;
/* rgb */ color: rgb(239, 242, 120);
/* oklch */ color: oklch(93.5% 0.145 110.2);

Tailwind

colors: {
  custom: {
    50: '#f6f6a2',
    500: '#eff278',
    950: '#000000',
  },
}

SCSS

$custom: #eff278;
$custom-light: #f6f6a2;
$custom-dark: #000000;

JSON

{
  "hex": "#eff278",
  "rgb": {
    "r": 239,
    "g": 242,
    "b": 120
  },
  "hsl": {
    "h": 61.475,
    "s": 82.432,
    "l": 70.98
  },
  "oklch": {
    "l": 0.93462,
    "c": 0.14503,
    "h": 110.2
  },
  "luminance": 0.83211
}

Semantic roles & 50–950 ramp

primary

#EFF278

secondary

#4542CC

accent

#07DF0C

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#17170F

muted

#858580

Preview Lab

Preview with #EFF278

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

Preview Lab → · Contrast checker → · Palette generator →