#E5CF51#E5CF51

#E5CF51 is a very light, vivid yellow. Relative luminance 0.619; OKLCH L 85.0% C 0.145 H 99.3°. Best body text is #000000 at 13.38:1 contrast (WCAG AA passes).

Color values

HEX	#E5CF51
RGB	rgb(229, 207, 81)
HSL	hsl(51, 74%, 61%)
HSV	hsv(51, 65%, 90%)
CMYK	cmyk(0%, 9.6%, 64.6%, 10.2%)
CIE-LAB	lab(82.85, -6.63, 63.22)
CIE-LCH	lch(82.85, 63.57, 95.98°)
OKLab	oklab(84.99% -0.0235 0.1432)
OKLCH	oklch(84.99% 0.145 99.3)
XYZ	xyz(56.1135, 61.8803, 16.7714)
Luminance	0.6188 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E5CF51 #5167E5

analogous

#E58551 #E5CF51 #B1E551

triadic

#E5CF51 #51E5CF #CF51E5

tetradic

#E5CF51 #51E585 #5167E5 #E551B1

square

#E5CF51 #51E585 #5167E5 #E551B1

split-complementary

#E5CF51 #51B1E5 #8551E5

monochromatic

#A38F18 #D8BD20 #E5CF51 #EDDE86 #F5ECBB

Accessibility & contrast

On white

1.57

#E5CF51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.38

#E5CF51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E5CF51

13.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E5CF51	#FFFFFF	#000000	##000000
##E5CF51	1.00	1.57	13.38	13.38
#FFFFFF	1.57	1.00	21.00	21.00
#000000	13.38	21.00	1.00	1.00
##000000	13.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2CA41

Deuteranopia (green-blind)

#E8D258

Tritanopia (blue-blind)

#F6C1B5

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #e5cf51;
/* rgb */ color: rgb(229, 207, 81);
/* oklch */ color: oklch(85.0% 0.145 99.3);

Tailwind

colors: {
  custom: {
    50: '#f1dd88',
    500: '#e5cf51',
    950: '#000000',
  },
}

SCSS

$custom: #e5cf51;
$custom-light: #f1dd88;
$custom-dark: #000000;

JSON

{
  "hex": "#e5cf51",
  "rgb": {
    "r": 229,
    "g": 207,
    "b": 81
  },
  "hsl": {
    "h": 51.081,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.84991,
    "c": 0.14514,
    "h": 99.3
  },
  "luminance": 0.61878
}

Semantic roles & 50–950 ramp

primary

#E5CF51

secondary

#3545A6

accent

#2DD60F

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#17150C

muted

#85847F

Preview Lab

Preview with #E5CF51

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

Preview Lab → · Contrast checker → · Palette generator →