#CFEF59#CFEF59

#CFEF59 is a very light, vivid yellow-green. Relative luminance 0.757; OKLCH L 90.1% C 0.177 H 120.3°. Best body text is #000000 at 16.14:1 contrast (WCAG AA passes).

Color values

HEX	#CFEF59
RGB	rgb(207, 239, 89)
HSL	hsl(73, 82%, 64%)
HSV	hsv(73, 63%, 94%)
CMYK	cmyk(13.4%, 0%, 62.8%, 6.3%)
CIE-LAB	lab(89.73, -30.65, 66.76)
CIE-LCH	lch(89.73, 73.46, 114.66°)
OKLab	oklab(90.09% -0.0892 0.1523)
OKLCH	oklch(90.09% 0.177 120.3)
XYZ	xyz(58.4026, 75.7198, 20.9879)
Luminance	0.7572 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CFEF59 #7959EF

analogous

#EFC459 #CFEF59 #84EF59

triadic

#CFEF59 #59CFEF #EF59CF

tetradic

#CFEF59 #59EFC4 #7959EF #EF5984

square

#CFEF59 #59EFC4 #7959EF #EF5984

split-complementary

#CFEF59 #5984EF #C459EF

monochromatic

#97BC12 #BFEA21 #CFEF59 #DFF491 #EFFAC9

Accessibility & contrast

On white

1.30

#CFEF59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.14

#CFEF59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CFEF59

16.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CFEF59	#FFFFFF	#000000	##000000
##CFEF59	1.00	1.30	16.14	16.14
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.14	21.00	1.00	1.00
##000000	16.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE246

Deuteranopia (green-blind)

#F9E264

Tritanopia (blue-blind)

#DAE3D0

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #cfef59;
/* rgb */ color: rgb(207, 239, 89);
/* oklch */ color: oklch(90.1% 0.177 120.3);

Tailwind

colors: {
  custom: {
    50: '#e1f48e',
    500: '#cfef59',
    950: '#000000',
  },
}

SCSS

$custom: #cfef59;
$custom-light: #e1f48e;
$custom-dark: #000000;

JSON

{
  "hex": "#cfef59",
  "rgb": {
    "r": 207,
    "g": 239,
    "b": 89
  },
  "hsl": {
    "h": 72.8,
    "s": 82.418,
    "l": 64.314
  },
  "oklch": {
    "l": 0.90093,
    "c": 0.17651,
    "h": 120.3
  },
  "luminance": 0.7572
}

Semantic roles & 50–950 ramp

primary

#CFEF59

secondary

#4F32BA

accent

#07DF35

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#16170D

muted

#84857F

Preview Lab

Preview with #CFEF59

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

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