#ECF77F#ECF77F

#ECF77F is a very light, vivid yellow. Relative luminance 0.859; OKLCH L 94.4% C 0.145 H 113.5°. Best body text is #000000 at 18.18:1 contrast (WCAG AA passes).

Color values

HEX	#ECF77F
RGB	rgb(236, 247, 127)
HSL	hsl(66, 88%, 73%)
HSV	hsv(66, 49%, 97%)
CMYK	cmyk(4.5%, 0%, 48.6%, 3.1%)
CIE-LAB	lab(94.26, -20.15, 55.94)
CIE-LCH	lch(94.26, 59.45, 109.81°)
OKLab	oklab(94.35% -0.0576 0.1327)
OKLCH	oklch(94.35% 0.145 113.5)
XYZ	xyz(71.6848, 85.8878, 32.8763)
Luminance	0.8589 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF77F #8A7FF7

analogous

#F7C67F #ECF77F #B0F77F

triadic

#ECF77F #7FECF7 #F77FEC

tetradic

#ECF77F #7FF7C6 #8A7FF7 #F77FB0

square

#ECF77F #7FF7C6 #8A7FF7 #F77FB0

split-complementary

#ECF77F #7FB0F7 #C67FF7

monochromatic

#D8ED0F #E3F345 #ECF77F #F5FBB9 #FBFDE2

Accessibility & contrast

On white

1.16

#ECF77F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.18

#ECF77F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF77F

18.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF77F	#FFFFFF	#000000	##000000
##ECF77F	1.00	1.16	18.18	18.18
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.18	21.00	1.00	1.00
##000000	18.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED74

Deuteranopia (green-blind)

#FFF085

Tritanopia (blue-blind)

#F9EBDB

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #ecf77f;
/* rgb */ color: rgb(236, 247, 127);
/* oklch */ color: oklch(94.4% 0.145 113.5);

Tailwind

colors: {
  custom: {
    50: '#f4f9a7',
    500: '#ecf77f',
    950: '#000000',
  },
}

SCSS

$custom: #ecf77f;
$custom-light: #f4f9a7;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf77f",
  "rgb": {
    "r": 236,
    "g": 247,
    "b": 127
  },
  "hsl": {
    "h": 65.5,
    "s": 88.235,
    "l": 73.333
  },
  "oklch": {
    "l": 0.94354,
    "c": 0.14464,
    "h": 113.5
  },
  "luminance": 0.85887
}

Semantic roles & 50–950 ramp

primary

#ECF77F

secondary

#5447D3

accent

#01E516

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#171710

muted

#858580

Preview Lab

Preview with #ECF77F

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

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