#CEF059#CEF059

#CEF059 is a very light, vivid yellow-green. Relative luminance 0.762; OKLCH L 90.2% C 0.178 H 120.9°. Best body text is #000000 at 16.23:1 contrast (WCAG AA passes).

Color values

HEX	#CEF059
RGB	rgb(206, 240, 89)
HSL	hsl(74, 83%, 65%)
HSV	hsv(74, 63%, 94%)
CMYK	cmyk(14.2%, 0%, 62.9%, 5.9%)
CIE-LAB	lab(89.94, -31.50, 66.96)
CIE-LCH	lch(89.94, 74.00, 115.20°)
OKLab	oklab(90.24% -0.0915 0.1528)
OKLCH	oklch(90.24% 0.178 120.9)
XYZ	xyz(58.4176, 76.1633, 21.0727)
Luminance	0.7616 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CEF059 #7B59F0

analogous

#F0C759 #CEF059 #83F059

triadic

#CEF059 #59CEF0 #F059CE

tetradic

#CEF059 #59F0C7 #7B59F0 #F05983

square

#CEF059 #59F0C7 #7B59F0 #F05983

split-complementary

#CEF059 #5983F0 #C759F0

monochromatic

#97BD11 #BDEB21 #CEF059 #DFF591 #EFFAC9

Accessibility & contrast

On white

1.29

#CEF059 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.23

#CEF059 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CEF059

16.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CEF059	#FFFFFF	#000000	##000000
##CEF059	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)

#FEE346

Deuteranopia (green-blind)

#FAE264

Tritanopia (blue-blind)

#D8E4D1

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #cef059;
/* rgb */ color: rgb(206, 240, 89);
/* oklch */ color: oklch(90.2% 0.178 120.9);

Tailwind

colors: {
  custom: {
    50: '#e0f58e',
    500: '#cef059',
    950: '#000000',
  },
}

SCSS

$custom: #cef059;
$custom-light: #e0f58e;
$custom-dark: #000000;

JSON

{
  "hex": "#cef059",
  "rgb": {
    "r": 206,
    "g": 240,
    "b": 89
  },
  "hsl": {
    "h": 73.51,
    "s": 83.425,
    "l": 64.51
  },
  "oklch": {
    "l": 0.90242,
    "c": 0.17807,
    "h": 120.9
  },
  "luminance": 0.76163
}

Semantic roles & 50–950 ramp

primary

#CEF059

secondary

#5131BC

accent

#06E037

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#16170D

muted

#84857F

Preview Lab

Preview with #CEF059

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

Preview Lab → · Contrast checker → · Palette generator →