#4E9C21#4E9C21

#4E9C21 is a mid, vivid yellow-green. Relative luminance 0.255; OKLCH L 61.9% C 0.172 H 136.9°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#4E9C21
RGB	rgb(78, 156, 33)
HSL	hsl(98, 65%, 37%)
HSV	hsv(98, 79%, 61%)
CMYK	cmyk(50%, 0%, 78.8%, 38.8%)
CIE-LAB	lab(57.56, -45.07, 52.66)
CIE-LCH	lch(57.56, 69.31, 130.56°)
OKLab	oklab(61.92% -0.1252 0.1172)
OKLCH	oklch(61.92% 0.172 136.9)
XYZ	xyz(15.3044, 25.5054, 5.5551)
Luminance	0.2551 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E9C21 #6F219C

analogous

#8B9C21 #4E9C21 #219C32

triadic

#4E9C21 #214E9C #9C214E

tetradic

#4E9C21 #218B9C #6F219C #9C3221

square

#4E9C21 #218B9C #6F219C #9C3221

split-complementary

#4E9C21 #32219C #9C218B

monochromatic

#1B370C #356916 #4E9C21 #67CF2C #8ADC5B

Accessibility & contrast

On white

3.44

#4E9C21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#4E9C21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E9C21

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E9C21	#FFFFFF	#000000	##000000
##4E9C21	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A18E00

Deuteranopia (green-blind)

#97882F

Tritanopia (blue-blind)

#499685

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #4e9c21;
/* rgb */ color: rgb(78, 156, 33);
/* oklch */ color: oklch(61.9% 0.172 136.9);

Tailwind

colors: {
  custom: {
    50: '#87ba67',
    500: '#4e9c21',
    950: '#000000',
  },
}

SCSS

$custom: #4e9c21;
$custom-light: #87ba67;
$custom-dark: #000000;

JSON

{
  "hex": "#4e9c21",
  "rgb": {
    "r": 78,
    "g": 156,
    "b": 33
  },
  "hsl": {
    "h": 98.049,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.61921,
    "c": 0.1715,
    "h": 136.9
  },
  "luminance": 0.25506
}

Semantic roles & 50–950 ramp

primary

#4E9C21

secondary

#9A58C1

accent

#40E8AA

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #4E9C21

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

Preview Lab → · Contrast checker → · Palette generator →