#21B241#21B241

#21B241 is a light, vivid green. Relative luminance 0.325; OKLCH L 66.8% C 0.193 H 146.0°. Best body text is #000000 at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#21B241
RGB	rgb(33, 178, 65)
HSL	hsl(133, 69%, 41%)
HSV	hsv(133, 81%, 70%)
CMYK	cmyk(81.5%, 0%, 63.5%, 30.2%)
CIE-LAB	lab(63.79, -59.47, 46.27)
CIE-LCH	lch(63.79, 75.35, 142.12°)
OKLab	oklab(66.82% -0.1601 0.1081)
OKLCH	oklch(66.82% 0.193 146)
XYZ	xyz(17.5004, 32.5436, 10.3592)
Luminance	0.3255 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B241 #B22192

analogous

#4AB221 #21B241 #21B28A

triadic

#21B241 #4121B2 #B24121

tetradic

#21B241 #214AB2 #B22192 #B28A21

square

#21B241 #214AB2 #B22192 #B28A21

split-complementary

#21B241 #8A21B2 #B2214A

monochromatic

#0E4B1B #177E2E #21B241 #36DA5A #6AE385

Accessibility & contrast

On white

2.80

#21B241 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.51

#21B241 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B241

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B241	#FFFFFF	#000000	##000000
##21B241	1.00	2.80	7.51	7.51
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.51	21.00	1.00	1.00
##000000	7.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A134

Deuteranopia (green-blind)

#A5964B

Tritanopia (blue-blind)

#00AE9A

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #21b241;
/* rgb */ color: rgb(33, 178, 65);
/* oklch */ color: oklch(66.8% 0.193 146.0);

Tailwind

colors: {
  custom: {
    50: '#77ca7a',
    500: '#21b241',
    950: '#000000',
  },
}

SCSS

$custom: #21b241;
$custom-light: #77ca7a;
$custom-dark: #000000;

JSON

{
  "hex": "#21b241",
  "rgb": {
    "r": 33,
    "g": 178,
    "b": 65
  },
  "hsl": {
    "h": 133.241,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.66821,
    "c": 0.19315,
    "h": 146
  },
  "luminance": 0.32546
}

Semantic roles & 50–950 ramp

primary

#21B241

secondary

#C966B3

accent

#3CC5EC

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0A1309

muted

#7C827B

Preview Lab

Preview with #21B241

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

Preview Lab → · Contrast checker → · Palette generator →