#CEF557#CEF557

#CEF557 is a very light, vivid yellow-green. Relative luminance 0.791; OKLCH L 91.3% C 0.185 H 122.0°. Best body text is #000000 at 16.82:1 contrast (WCAG AA passes).

Color values

HEX#CEF557
RGBrgb(206, 245, 87)
HSLhsl(75, 89%, 65%)
HSVhsv(75, 64%, 96%)
CMYKcmyk(15.9%, 0%, 64.5%, 3.9%)
CIE-LABlab(91.29, -33.93, 69.18)
CIE-LCHlch(91.29, 77.05, 116.13°)
OKLaboklab(91.33% -0.0984 0.1572)
OKLCHoklch(91.33% 0.185 122)
XYZxyz(59.8270, 79.1146, 21.1338)
Luminance0.7912 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#CEF557 #7E57F5
analogous
#F5CD57 #CEF557 #7FF557
triadic
#CEF557 #57CEF5 #F557CE
tetradic
#CEF557 #57F5CD #7E57F5 #F5577F
square
#CEF557 #57F5CD #7E57F5 #F5577F
split-complementary
#CEF557 #577FF5 #CD57F5
monochromatic
#98C60C #BDF21D #CEF557 #DFF891 #F0FCCB

Accessibility & contrast

On white

1.25
#CEF557 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.82
#CEF557 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CEF557
16.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##CEF557#FFFFFF#000000##000000
##CEF5571.001.2516.8216.82
#FFFFFF1.251.0021.0021.00
#00000016.8221.001.001.00
##00000016.8221.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFE742
Deuteranopia (green-blind)
#FEE663
Tritanopia (blue-blind)
#D8E9D5
Achromatopsia (no color)
#E6E6E6

Design tokens & code

CSS
--color: #cef557;
/* rgb */ color: rgb(206, 245, 87);
/* oklch */ color: oklch(91.3% 0.185 122.0);
Tailwind
colors: {
  custom: {
    50: '#e0f88e',
    500: '#cef557',
    950: '#000000',
  },
}
SCSS
$custom: #cef557;
$custom-light: #e0f88e;
$custom-dark: #000000;
JSON
{
  "hex": "#cef557",
  "rgb": {
    "r": 206,
    "g": 245,
    "b": 87
  },
  "hsl": {
    "h": 74.81,
    "s": 88.764,
    "l": 65.098
  },
  "oklch": {
    "l": 0.91326,
    "c": 0.18545,
    "h": 122
  },
  "luminance": 0.79115
}

Semantic roles & 50–950 ramp

primary
#CEF557
secondary
#522DC3
accent
#00E539
background
#FEFFFC
surface
#FCFFF4
border
#D5D7CE
text
#16170D
muted
#84857F

Preview Lab

Preview with #CEF557

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

Preview Lab → · Contrast checker → · Palette generator →

#CEF557 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva