#21B240#21B240

#21B240 is a light, vivid green. Relative luminance 0.325; OKLCH L 66.8% C 0.194 H 145.8°. Best body text is #000000 at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#21B240
RGB	rgb(33, 178, 64)
HSL	hsl(133, 69%, 41%)
HSV	hsv(133, 81%, 70%)
CMYK	cmyk(81.5%, 0%, 64%, 30.2%)
CIE-LAB	lab(63.78, -59.59, 46.70)
CIE-LCH	lch(63.78, 75.70, 141.92°)
OKLab	oklab(66.81% -0.1604 0.1089)
OKLCH	oklch(66.81% 0.194 145.8)
XYZ	xyz(17.4717, 32.5321, 10.2080)
Luminance	0.3253 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B240 #B22193

analogous

#4AB221 #21B240 #21B289

triadic

#21B240 #4021B2 #B24021

tetradic

#21B240 #214AB2 #B22193 #B28921

square

#21B240 #214AB2 #B22193 #B28921

split-complementary

#21B240 #8921B2 #B2214A

monochromatic

#0E4B1B #177E2D #21B240 #36DA59 #6AE384

Accessibility & contrast

On white

2.80

#21B240 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.51

#21B240 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B240

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B240	#FFFFFF	#000000	##000000
##21B240	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)

#B5A132

Deuteranopia (green-blind)

#A5964A

Tritanopia (blue-blind)

#00AE9A

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #21b240;
/* rgb */ color: rgb(33, 178, 64);
/* oklch */ color: oklch(66.8% 0.194 145.8);

Tailwind

colors: {
  custom: {
    50: '#77ca79',
    500: '#21b240',
    950: '#000000',
  },
}

SCSS

$custom: #21b240;
$custom-light: #77ca79;
$custom-dark: #000000;

JSON

{
  "hex": "#21b240",
  "rgb": {
    "r": 33,
    "g": 178,
    "b": 64
  },
  "hsl": {
    "h": 132.828,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.6681,
    "c": 0.1939,
    "h": 145.8
  },
  "luminance": 0.32534
}

Semantic roles & 50–950 ramp

primary

#21B240

secondary

#C966B4

accent

#3CC6EC

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0A1309

muted

#7C827B

Preview Lab

Preview with #21B240

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

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