#4B9F1F#4B9F1F

#4B9F1F is a light, vivid yellow-green. Relative luminance 0.264; OKLCH L 62.6% C 0.178 H 137.6°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#4B9F1F
RGB	rgb(75, 159, 31)
HSL	hsl(99, 67%, 37%)
HSV	hsv(99, 81%, 62%)
CMYK	cmyk(52.8%, 0%, 80.5%, 37.6%)
CIE-LAB	lab(58.41, -47.27, 54.04)
CIE-LCH	lch(58.41, 71.79, 131.18°)
OKLab	oklab(62.58% -0.1311 0.1198)
OKLCH	oklch(62.58% 0.178 137.6)
XYZ	xyz(15.5466, 26.3899, 5.5706)
Luminance	0.2639 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B9F1F #731F9F

analogous

#8B9F1F #4B9F1F #1F9F33

triadic

#4B9F1F #1F4B9F #9F1F4B

tetradic

#4B9F1F #1F8B9F #731F9F #9F331F

square

#4B9F1F #1F8B9F #731F9F #9F331F

split-complementary

#4B9F1F #331F9F #9F1F8B

monochromatic

#1B390B #336C15 #4B9F1F #63D229 #87DF5A

Accessibility & contrast

On white

3.34

#4B9F1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#4B9F1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B9F1F

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B9F1F	#FFFFFF	#000000	##000000
##4B9F1F	1.00	3.34	6.28	6.28
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.28	21.00	1.00	1.00
##000000	6.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A49100

Deuteranopia (green-blind)

#9A8A2E

Tritanopia (blue-blind)

#459987

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #4b9f1f;
/* rgb */ color: rgb(75, 159, 31);
/* oklch */ color: oklch(62.6% 0.178 137.6);

Tailwind

colors: {
  custom: {
    50: '#86bc66',
    500: '#4b9f1f',
    950: '#000000',
  },
}

SCSS

$custom: #4b9f1f;
$custom-light: #86bc66;
$custom-dark: #000000;

JSON

{
  "hex": "#4b9f1f",
  "rgb": {
    "r": 75,
    "g": 159,
    "b": 31
  },
  "hsl": {
    "h": 99.375,
    "s": 67.368,
    "l": 37.255
  },
  "oklch": {
    "l": 0.62577,
    "c": 0.17757,
    "h": 137.6
  },
  "luminance": 0.26391
}

Semantic roles & 50–950 ramp

primary

#4B9F1F

secondary

#9E57C3

accent

#3EEAAF

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #4B9F1F

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

Preview Lab → · Contrast checker → · Palette generator →