#CEF057#CEF057

#CEF057 is a very light, vivid yellow-green. Relative luminance 0.761; OKLCH L 90.2% C 0.180 H 120.8°. Best body text is #000000 at 16.23:1 contrast (WCAG AA passes).

Color values

HEX	#CEF057
RGB	rgb(206, 240, 87)
HSL	hsl(73, 84%, 64%)
HSV	hsv(73, 64%, 94%)
CMYK	cmyk(14.2%, 0%, 63.7%, 5.9%)
CIE-LAB	lab(89.92, -31.64, 67.74)
CIE-LCH	lch(89.92, 74.76, 115.04°)
OKLab	oklab(90.23% -0.092 0.1542)
OKLCH	oklch(90.23% 0.18 120.8)
XYZ	xyz(58.3348, 76.1302, 20.6364)
Luminance	0.7613 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CEF057 #7957F0

analogous

#F0C557 #CEF057 #82F057

triadic

#CEF057 #57CEF0 #F057CE

tetradic

#CEF057 #57F0C5 #7957F0 #F05782

square

#CEF057 #57F0C5 #7957F0 #F05782

split-complementary

#CEF057 #5782F0 #C557F0

monochromatic

#96BC11 #BEEB1F #CEF057 #DEF58F #EFFAC7

Accessibility & contrast

On white

1.29

#CEF057 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.23

#CEF057 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CEF057

16.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CEF057	#FFFFFF	#000000	##000000
##CEF057	1.00	1.29	16.23	16.23
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.23	21.00	1.00	1.00
##000000	16.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEE343

Deuteranopia (green-blind)

#FAE262

Tritanopia (blue-blind)

#D9E4D1

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #cef057;
/* rgb */ color: rgb(206, 240, 87);
/* oklch */ color: oklch(90.2% 0.180 120.8);

Tailwind

colors: {
  custom: {
    50: '#e0f58d',
    500: '#cef057',
    950: '#000000',
  },
}

SCSS

$custom: #cef057;
$custom-light: #e0f58d;
$custom-dark: #000000;

JSON

{
  "hex": "#cef057",
  "rgb": {
    "r": 206,
    "g": 240,
    "b": 87
  },
  "hsl": {
    "h": 73.333,
    "s": 83.607,
    "l": 64.118
  },
  "oklch": {
    "l": 0.90225,
    "c": 0.17954,
    "h": 120.8
  },
  "luminance": 0.7613
}

Semantic roles & 50–950 ramp

primary

#CEF057

secondary

#4F31BA

accent

#05E036

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#16170D

muted

#84857F

Preview Lab

Preview with #CEF057

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

Preview Lab → · Contrast checker → · Palette generator →