#4EA01B#4EA01B

#4EA01B is a light, vivid yellow-green. Relative luminance 0.268; OKLCH L 62.9% C 0.179 H 136.8°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#4EA01B
RGB	rgb(78, 160, 27)
HSL	hsl(97, 71%, 37%)
HSV	hsv(97, 83%, 63%)
CMYK	cmyk(51.2%, 0%, 83.1%, 37.3%)
CIE-LAB	lab(58.83, -46.96, 55.62)
CIE-LCH	lch(58.83, 72.80, 130.17°)
OKLab	oklab(62.95% -0.1307 0.1225)
OKLCH	oklch(62.95% 0.179 136.8)
XYZ	xyz(15.9100, 26.8393, 5.3788)
Luminance	0.2684 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4EA01B #6D1BA0

analogous

#91A01B #4EA01B #1BA02A

triadic

#4EA01B #1B4EA0 #A01B4E

tetradic

#4EA01B #1B91A0 #6D1BA0 #A02A1B

square

#4EA01B #1B91A0 #6D1BA0 #A02A1B

split-complementary

#4EA01B #2A1BA0 #A01B91

monochromatic

#1B3709 #346C12 #4EA01B #68D424 #8AE253

Accessibility & contrast

On white

3.30

#4EA01B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.37

#4EA01B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4EA01B

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4EA01B	#FFFFFF	#000000	##000000
##4EA01B	1.00	3.30	6.37	6.37
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.37	21.00	1.00	1.00
##000000	6.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A69200

Deuteranopia (green-blind)

#9B8B2C

Tritanopia (blue-blind)

#499A88

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #4ea01b;
/* rgb */ color: rgb(78, 160, 27);
/* oklch */ color: oklch(62.9% 0.179 136.8);

Tailwind

colors: {
  custom: {
    50: '#88bd65',
    500: '#4ea01b',
    950: '#000000',
  },
}

SCSS

$custom: #4ea01b;
$custom-light: #88bd65;
$custom-dark: #000000;

JSON

{
  "hex": "#4ea01b",
  "rgb": {
    "r": 78,
    "g": 160,
    "b": 27
  },
  "hsl": {
    "h": 96.992,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.62949,
    "c": 0.1791,
    "h": 136.8
  },
  "luminance": 0.2684
}

Semantic roles & 50–950 ramp

primary

#4EA01B

secondary

#9952C5

accent

#3AEEA9

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #4EA01B

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

Preview Lab → · Contrast checker → · Palette generator →