#CEF258#CEF258

#CEF258 is a very light, vivid yellow-green. Relative luminance 0.773; OKLCH L 90.7% C 0.181 H 121.4°. Best body text is #000000 at 16.47:1 contrast (WCAG AA passes).

Color values

HEX	#CEF258
RGB	rgb(206, 242, 88)
HSL	hsl(74, 86%, 65%)
HSV	hsv(74, 64%, 95%)
CMYK	cmyk(14.9%, 0%, 63.6%, 5.1%)
CIE-LAB	lab(90.47, -32.49, 67.93)
CIE-LCH	lch(90.47, 75.30, 115.56°)
OKLab	oklab(90.67% -0.0943 0.1547)
OKLCH	oklch(90.67% 0.181 121.4)
XYZ	xyz(58.9679, 77.3307, 21.0504)
Luminance	0.7733 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CEF258 #7C58F2

analogous

#F2C958 #CEF258 #81F258

triadic

#CEF258 #58CEF2 #F258CE

tetradic

#CEF258 #58F2C9 #7C58F2 #F25881

square

#CEF258 #58F2C9 #7C58F2 #F25881

split-complementary

#CEF258 #5881F2 #C958F2

monochromatic

#97C10F #BDEE1F #CEF258 #DFF691 #EFFBCA

Accessibility & contrast

On white

1.28

#CEF258 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.47

#CEF258 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CEF258

16.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CEF258	#FFFFFF	#000000	##000000
##CEF258	1.00	1.28	16.47	16.47
#FFFFFF	1.28	1.00	21.00	21.00
#000000	16.47	21.00	1.00	1.00
##000000	16.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE444

Deuteranopia (green-blind)

#FBE463

Tritanopia (blue-blind)

#D8E6D2

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #cef258;
/* rgb */ color: rgb(206, 242, 88);
/* oklch */ color: oklch(90.7% 0.181 121.4);

Tailwind

colors: {
  custom: {
    50: '#e0f68e',
    500: '#cef258',
    950: '#000000',
  },
}

SCSS

$custom: #cef258;
$custom-light: #e0f68e;
$custom-dark: #000000;

JSON

{
  "hex": "#cef258",
  "rgb": {
    "r": 206,
    "g": 242,
    "b": 88
  },
  "hsl": {
    "h": 74.026,
    "s": 85.556,
    "l": 64.706
  },
  "oklch": {
    "l": 0.90673,
    "c": 0.18118,
    "h": 121.4
  },
  "luminance": 0.77331
}

Semantic roles & 50–950 ramp

primary

#CEF258

secondary

#5130BE

accent

#03E237

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#16170D

muted

#84857F

Preview Lab

Preview with #CEF258

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

Preview Lab → · Contrast checker → · Palette generator →