#4E901B#4E901B

#4E901B is a mid, vivid yellow-green. Relative luminance 0.216; OKLCH L 58.7% C 0.160 H 135.2°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#4E901B
RGB	rgb(78, 144, 27)
HSL	hsl(94, 68%, 34%)
HSV	hsv(94, 81%, 56%)
CMYK	cmyk(45.8%, 0%, 81.3%, 43.5%)
CIE-LAB	lab(53.65, -40.54, 50.87)
CIE-LCH	lch(53.65, 65.05, 128.55°)
OKLab	oklab(58.69% -0.1134 0.1125)
OKLCH	oklch(58.69% 0.16 135.2)
XYZ	xyz(13.3127, 21.6445, 4.5130)
Luminance	0.2165 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E901B #5D1B90

analogous

#88901B #4E901B #1B9022

triadic

#4E901B #1B4E90 #901B4E

tetradic

#4E901B #1B8890 #5D1B90 #90221B

square

#4E901B #1B8890 #5D1B90 #90221B

split-complementary

#4E901B #221B90 #901B88

monochromatic

#162908 #325C11 #4E901B #6AC425 #89DD49

Accessibility & contrast

On white

3.94

#4E901B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#4E901B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E901B

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E901B	#FFFFFF	#000000	##000000
##4E901B	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#968400

Deuteranopia (green-blind)

#8D7E29

Tritanopia (blue-blind)

#4C8A7B

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4e901b;
/* rgb */ color: rgb(78, 144, 27);
/* oklch */ color: oklch(58.7% 0.160 135.2);

Tailwind

colors: {
  custom: {
    50: '#86b162',
    500: '#4e901b',
    950: '#000000',
  },
}

SCSS

$custom: #4e901b;
$custom-light: #86b162;
$custom-dark: #000000;

JSON

{
  "hex": "#4e901b",
  "rgb": {
    "r": 78,
    "g": 144,
    "b": 27
  },
  "hsl": {
    "h": 93.846,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.58691,
    "c": 0.15977,
    "h": 135.2
  },
  "luminance": 0.21645
}

Semantic roles & 50–950 ramp

primary

#4E901B

secondary

#8B48BF

accent

#3DEB9F

background

#F8FAF6

surface

#F0F5EB

border

#CBCFC6

text

#0C1106

muted

#7D807A

Preview Lab

Preview with #4E901B

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

Preview Lab → · Contrast checker → · Palette generator →