#4FB41C#4FB41C

#4FB41C is a light, highly saturated yellow-green. Relative luminance 0.344; OKLCH L 68.3% C 0.201 H 138.1°. Best body text is #000000 at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#4FB41C
RGB	rgb(79, 180, 28)
HSL	hsl(100, 73%, 41%)
HSV	hsv(100, 84%, 71%)
CMYK	cmyk(56.1%, 0%, 84.4%, 29.4%)
CIE-LAB	lab(65.27, -54.12, 61.18)
CIE-LCH	lch(65.27, 81.68, 131.50°)
OKLab	oklab(68.27% -0.1498 0.1343)
OKLCH	oklch(68.27% 0.201 138.1)
XYZ	xyz(19.7546, 34.3870, 6.6947)
Luminance	0.3439 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FB41C #811CB4

analogous

#9BB41C #4FB41C #1CB435

triadic

#4FB41C #1C4FB4 #B41C4F

tetradic

#4FB41C #1C9BB4 #811CB4 #B4351C

square

#4FB41C #1C9BB4 #811CB4 #B4351C

split-complementary

#4FB41C #351CB4 #B41C9B

monochromatic

#214A0C #387F14 #4FB41C #6ADF2F #90E764

Accessibility & contrast

On white

2.67

#4FB41C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.88

#4FB41C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FB41C

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FB41C	#FFFFFF	#000000	##000000
##4FB41C	1.00	2.67	7.88	7.88
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.88	21.00	1.00	1.00
##000000	7.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAA400

Deuteranopia (green-blind)

#AD9B30

Tritanopia (blue-blind)

#46AD99

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #4fb41c;
/* rgb */ color: rgb(79, 180, 28);
/* oklch */ color: oklch(68.3% 0.201 138.1);

Tailwind

colors: {
  custom: {
    50: '#8ccb68',
    500: '#4fb41c',
    950: '#000000',
  },
}

SCSS

$custom: #4fb41c;
$custom-light: #8ccb68;
$custom-dark: #000000;

JSON

{
  "hex": "#4fb41c",
  "rgb": {
    "r": 79,
    "g": 180,
    "b": 28
  },
  "hsl": {
    "h": 99.868,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.68275,
    "c": 0.20122,
    "h": 138.1
  },
  "luminance": 0.34389
}

Semantic roles & 50–950 ramp

primary

#4FB41C

secondary

#A860CC

accent

#38F0B2

background

#F9FCF6

surface

#F1F9EB

border

#CBD2C6

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #4FB41C

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

Preview Lab → · Contrast checker → · Palette generator →