#4FA523#4FA523

#4FA523 is a light, vivid yellow-green. Relative luminance 0.287; OKLCH L 64.4% C 0.181 H 137.6°. Best body text is #000000 at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#4FA523
RGB	rgb(79, 165, 35)
HSL	hsl(100, 65%, 39%)
HSV	hsv(100, 79%, 65%)
CMYK	cmyk(52.1%, 0%, 78.8%, 35.3%)
CIE-LAB	lab(60.51, -48.17, 54.83)
CIE-LCH	lch(60.51, 72.98, 131.30°)
OKLab	oklab(64.36% -0.1335 0.122)
OKLCH	oklch(64.36% 0.181 137.6)
XYZ	xyz(16.9824, 28.6926, 6.2331)
Luminance	0.2869 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FA523 #7923A5

analogous

#90A523 #4FA523 #23A538

triadic

#4FA523 #234FA5 #A5234F

tetradic

#4FA523 #2390A5 #7923A5 #A53823

square

#4FA523 #2390A5 #7923A5 #A53823

split-complementary

#4FA523 #3823A5 #A52390

monochromatic

#1F400E #377318 #4FA523 #68D332 #8EDE64

Accessibility & contrast

On white

3.12

#4FA523 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.74

#4FA523 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4FA523

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FA523	#FFFFFF	#000000	##000000
##4FA523	1.00	3.12	6.74	6.74
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.74	21.00	1.00	1.00
##000000	6.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AA9600

Deuteranopia (green-blind)

#9F8F32

Tritanopia (blue-blind)

#499F8D

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #4fa523;
/* rgb */ color: rgb(79, 165, 35);
/* oklch */ color: oklch(64.4% 0.181 137.6);

Tailwind

colors: {
  custom: {
    50: '#89c069',
    500: '#4fa523',
    950: '#000000',
  },
}

SCSS

$custom: #4fa523;
$custom-light: #89c069;
$custom-dark: #000000;

JSON

{
  "hex": "#4fa523",
  "rgb": {
    "r": 79,
    "g": 165,
    "b": 35
  },
  "hsl": {
    "h": 99.692,
    "s": 65,
    "l": 39.216
  },
  "oklch": {
    "l": 0.64359,
    "c": 0.18085,
    "h": 137.6
  },
  "luminance": 0.28694
}

Semantic roles & 50–950 ramp

primary

#4FA523

secondary

#A260C4

accent

#40E8AF

background

#F8FBF6

surface

#F0F7EB

border

#CBD0C6

text

#0C1207

muted

#7D817A

Preview Lab

Preview with #4FA523

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

Preview Lab → · Contrast checker → · Palette generator →