#4B991F#4B991F

#4B991F is a mid, vivid yellow-green. Relative luminance 0.244; OKLCH L 61.0% C 0.170 H 137.1°. Best body text is #000000 at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#4B991F
RGB	rgb(75, 153, 31)
HSL	hsl(98, 66%, 36%)
HSV	hsv(98, 80%, 60%)
CMYK	cmyk(51%, 0%, 79.7%, 40%)
CIE-LAB	lab(56.46, -44.93, 52.21)
CIE-LCH	lch(56.46, 68.88, 130.71°)
OKLab	oklab(60.98% -0.1248 0.116)
OKLCH	oklch(60.98% 0.17 137.1)
XYZ	xyz(14.5398, 24.3762, 5.2350)
Luminance	0.2438 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B991F #6D1F99

analogous

#88991F #4B991F #1F9930

triadic

#4B991F #1F4B99 #991F4B

tetradic

#4B991F #1F8899 #6D1F99 #99301F

square

#4B991F #1F8899 #6D1F99 #99301F

split-complementary

#4B991F #301F99 #991F88

monochromatic

#19330A #326615 #4B991F #64CC29 #86DD56

Accessibility & contrast

On white

3.57

#4B991F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.88

#4B991F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B991F

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B991F	#FFFFFF	#000000	##000000
##4B991F	1.00	3.57	5.88	5.88
#FFFFFF	3.57	1.00	21.00	21.00
#000000	5.88	21.00	1.00	1.00
##000000	5.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9E8B00

Deuteranopia (green-blind)

#94852D

Tritanopia (blue-blind)

#469382

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #4b991f;
/* rgb */ color: rgb(75, 153, 31);
/* oklch */ color: oklch(61.0% 0.170 137.1);

Tailwind

colors: {
  custom: {
    50: '#85b865',
    500: '#4b991f',
    950: '#000000',
  },
}

SCSS

$custom: #4b991f;
$custom-light: #85b865;
$custom-dark: #000000;

JSON

{
  "hex": "#4b991f",
  "rgb": {
    "r": 75,
    "g": 153,
    "b": 31
  },
  "hsl": {
    "h": 98.361,
    "s": 66.304,
    "l": 36.078
  },
  "oklch": {
    "l": 0.60977,
    "c": 0.17036,
    "h": 137.1
  },
  "luminance": 0.24377
}

Semantic roles & 50–950 ramp

primary

#4B991F

secondary

#9954C0

accent

#3FE9AC

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1106

muted

#7D807A

Preview Lab

Preview with #4B991F

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

Preview Lab → · Contrast checker → · Palette generator →