#EFF07B#EFF07B

#EFF07B is a very light, vivid yellow. Relative luminance 0.821; OKLCH L 93.1% C 0.140 H 109.3°. Best body text is #000000 at 17.42:1 contrast (WCAG AA passes).

Color values

HEX#EFF07B
RGBrgb(239, 240, 123)
HSLhsl(61, 80%, 71%)
HSVhsv(61, 49%, 94%)
CMYKcmyk(0.4%, 0%, 48.7%, 5.9%)
CIE-LABlab(92.62, -15.94, 55.88)
CIE-LCHlch(92.62, 58.11, 105.92°)
OKLaboklab(93.08% -0.0462 0.1322)
OKLCHoklch(93.08% 0.14 109.3)
XYZxyz(70.3334, 82.1026, 30.8774)
Luminance0.8210 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EFF07B #7C7BF0
analogous
#F0B67B #EFF07B #B4F07B
triadic
#EFF07B #7BEFF0 #F07BEF
tetradic
#EFF07B #7BF0B6 #7C7BF0 #F07BB4
square
#EFF07B #7BF0B6 #7C7BF0 #F07BB4
split-complementary
#EFF07B #7BB4F0 #B67BF0
monochromatic
#D6D819 #E8EA44 #EFF07B #F6F6B2 #FCFCE4

Accessibility & contrast

On white

1.21
#EFF07B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

17.42
#EFF07B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF07B
17.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EFF07B#FFFFFF#000000##000000
##EFF07B1.001.2117.4217.42
#FFFFFF1.211.0021.0021.00
#00000017.4221.001.001.00
##00000017.4221.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFE870
Deuteranopia (green-blind)
#FFEC81
Tritanopia (blue-blind)
#FDE4D5
Achromatopsia (no color)
#EAEAEA

Design tokens & code

CSS
--color: #eff07b;
/* rgb */ color: rgb(239, 240, 123);
/* oklch */ color: oklch(93.1% 0.140 109.3);
Tailwind
colors: {
  custom: {
    50: '#f6f4a4',
    500: '#eff07b',
    950: '#000000',
  },
}
SCSS
$custom: #eff07b;
$custom-light: #f6f4a4;
$custom-dark: #000000;
JSON
{
  "hex": "#eff07b",
  "rgb": {
    "r": 239,
    "g": 240,
    "b": 123
  },
  "hsl": {
    "h": 60.513,
    "s": 79.592,
    "l": 71.176
  },
  "oklch": {
    "l": 0.93084,
    "c": 0.14,
    "h": 109.3
  },
  "luminance": 0.82101
}

Semantic roles & 50–950 ramp

primary
#EFF07B
secondary
#4645CA
accent
#0ADC0B
background
#FFFFFC
surface
#FFFEF6
border
#D7D6D0
text
#17170F
muted
#858580

Preview Lab

Preview with #EFF07B

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

Preview Lab → · Contrast checker → · Palette generator →

#EFF07B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva