#4FB315#4FB315

#4FB315 is a light, highly saturated yellow-green. Relative luminance 0.340; OKLCH L 68.0% C 0.202 H 137.8°. Best body text is #000000 at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#4FB315
RGB	rgb(79, 179, 21)
HSL	hsl(98, 79%, 39%)
HSV	hsv(98, 88%, 70%)
CMYK	cmyk(55.9%, 0%, 88.3%, 29.8%)
CIE-LAB	lab(64.93, -54.03, 62.43)
CIE-LCH	lch(64.93, 82.57, 130.87°)
OKLab	oklab(67.99% -0.1499 0.1361)
OKLCH	oklch(67.99% 0.202 137.8)
XYZ	xyz(19.4792, 33.9550, 6.2368)
Luminance	0.3396 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FB315 #7915B3

analogous

#9EB315 #4FB315 #15B32A

triadic

#4FB315 #154FB3 #B3154F

tetradic

#4FB315 #159EB3 #7915B3 #B32A15

square

#4FB315 #159EB3 #7915B3 #B32A15

split-complementary

#4FB315 #2A15B3 #B3159E

monochromatic

#1F4508 #377C0F #4FB315 #68E520 #8EEB57

Accessibility & contrast

On white

2.70

#4FB315 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.79

#4FB315 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FB315

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FB315	#FFFFFF	#000000	##000000
##4FB315	1.00	2.70	7.79	7.79
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.79	21.00	1.00	1.00
##000000	7.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A300

Deuteranopia (green-blind)

#AC9A2C

Tritanopia (blue-blind)

#47AC98

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #4fb315;
/* rgb */ color: rgb(79, 179, 21);
/* oklch */ color: oklch(68.0% 0.202 137.8);

Tailwind

colors: {
  custom: {
    50: '#8ccb66',
    500: '#4fb315',
    950: '#000000',
  },
}

SCSS

$custom: #4fb315;
$custom-light: #8ccb66;
$custom-dark: #000000;

JSON

{
  "hex": "#4fb315",
  "rgb": {
    "r": 79,
    "g": 179,
    "b": 21
  },
  "hsl": {
    "h": 97.975,
    "s": 79,
    "l": 39.216
  },
  "oklch": {
    "l": 0.67985,
    "c": 0.20243,
    "h": 137.8
  },
  "luminance": 0.33957
}

Semantic roles & 50–950 ramp

primary

#4FB315

secondary

#A256CE

accent

#32F5AE

background

#F9FCF6

surface

#F1F8EB

border

#CBD1C6

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #4FB315

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

Preview Lab → · Contrast checker → · Palette generator →