#ECE66B#ECE66B

#ECE66B is a very light, vivid yellow. Relative luminance 0.755; OKLCH L 90.6% C 0.145 H 106.4°. Best body text is #000000 at 16.10:1 contrast (WCAG AA passes).

Color values

HEX	#ECE66B
RGB	rgb(236, 230, 107)
HSL	hsl(57, 77%, 67%)
HSV	hsv(57, 55%, 93%)
CMYK	cmyk(0%, 2.5%, 54.7%, 7.5%)
CIE-LAB	lab(89.62, -13.52, 59.60)
CIE-LCH	lch(89.62, 61.11, 102.79°)
OKLab	oklab(90.59% -0.0408 0.1387)
OKLCH	oklch(90.59% 0.145 106.4)
XYZ	xyz(65.5446, 75.4900, 25.0254)
Luminance	0.7549 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECE66B #6B71EC

analogous

#ECA56B #ECE66B #B2EC6B

triadic

#ECE66B #6BECE6 #E66BEC

tetradic

#ECE66B #6BECA5 #6B71EC #EC6BB2

square

#ECE66B #6BECA5 #6B71EC #EC6BB2

split-complementary

#ECE66B #6BB2EC #A56BEC

monochromatic

#C4BC19 #E5DD35 #ECE66B #F3EFA1 #FAF8D7

Accessibility & contrast

On white

1.30

#ECE66B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.10

#ECE66B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECE66B

16.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECE66B	#FFFFFF	#000000	##000000
##ECE66B	1.00	1.30	16.10	16.10
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.10	21.00	1.00	1.00
##000000	16.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F7DE5F

Deuteranopia (green-blind)

#FAE471

Tritanopia (blue-blind)

#FBD9CB

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #ece66b;
/* rgb */ color: rgb(236, 230, 107);
/* oklch */ color: oklch(90.6% 0.145 106.4);

Tailwind

colors: {
  custom: {
    50: '#f5ed99',
    500: '#ece66b',
    950: '#000000',
  },
}

SCSS

$custom: #ece66b;
$custom-light: #f5ed99;
$custom-dark: #000000;

JSON

{
  "hex": "#ece66b",
  "rgb": {
    "r": 236,
    "g": 230,
    "b": 107
  },
  "hsl": {
    "h": 57.209,
    "s": 77.246,
    "l": 67.255
  },
  "oklch": {
    "l": 0.90585,
    "c": 0.14457,
    "h": 106.4
  },
  "luminance": 0.75488
}

Semantic roles & 50–950 ramp

primary

#ECE66B

secondary

#3A40C2

accent

#16D90C

background

#FFFEFC

surface

#FFFDF5

border

#D7D5CF

text

#17160E

muted

#85847F

Preview Lab

Preview with #ECE66B

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

Preview Lab → · Contrast checker → · Palette generator →