#4CB21F#4CB21F

#4CB21F is a light, vivid green. Relative luminance 0.335; OKLCH L 67.7% C 0.199 H 138.6°. Best body text is #000000 at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#4CB21F
RGB	rgb(76, 178, 31)
HSL	hsl(102, 70%, 41%)
HSV	hsv(102, 83%, 70%)
CMYK	cmyk(57.3%, 0%, 82.6%, 30.2%)
CIE-LAB	lab(64.54, -54.06, 59.72)
CIE-LCH	lch(64.54, 80.55, 132.15°)
OKLab	oklab(67.65% -0.1493 0.1317)
OKLCH	oklch(67.65% 0.199 138.6)
XYZ	xyz(19.1475, 33.4746, 6.7483)
Luminance	0.3348 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4CB21F #851FB2

analogous

#95B21F #4CB21F #1FB23C

triadic

#4CB21F #1F4CB2 #B21F4C

tetradic

#4CB21F #1F95B2 #851FB2 #B23C1F

square

#4CB21F #1F95B2 #851FB2 #B23C1F

split-complementary

#4CB21F #3C1FB2 #B21F95

monochromatic

#1F4A0D #367E16 #4CB21F #66DB33 #8DE567

Accessibility & contrast

On white

2.73

#4CB21F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.70

#4CB21F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4CB21F

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4CB21F	#FFFFFF	#000000	##000000
##4CB21F	1.00	2.73	7.70	7.70
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.70	21.00	1.00	1.00
##000000	7.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A200

Deuteranopia (green-blind)

#AB9932

Tritanopia (blue-blind)

#42AC98

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #4cb21f;
/* rgb */ color: rgb(76, 178, 31);
/* oklch */ color: oklch(67.7% 0.199 138.6);

Tailwind

colors: {
  custom: {
    50: '#8aca69',
    500: '#4cb21f',
    950: '#000000',
  },
}

SCSS

$custom: #4cb21f;
$custom-light: #8aca69;
$custom-dark: #000000;

JSON

{
  "hex": "#4cb21f",
  "rgb": {
    "r": 76,
    "g": 178,
    "b": 31
  },
  "hsl": {
    "h": 101.633,
    "s": 70.335,
    "l": 40.98
  },
  "oklch": {
    "l": 0.67652,
    "c": 0.19912,
    "h": 138.6
  },
  "luminance": 0.33476
}

Semantic roles & 50–950 ramp

primary

#4CB21F

secondary

#AA63CA

accent

#3BEDB6

background

#F9FCF6

surface

#F1F8EC

border

#CBD1C7

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #4CB21F

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

Preview Lab → · Contrast checker → · Palette generator →