#21B440#21B440

#21B440 is a light, vivid green. Relative luminance 0.333; OKLCH L 67.3% C 0.196 H 145.7°. Best body text is #000000 at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#21B440
RGB	rgb(33, 180, 64)
HSL	hsl(133, 69%, 42%)
HSV	hsv(133, 82%, 71%)
CMYK	cmyk(81.7%, 0%, 64.4%, 29.4%)
CIE-LAB	lab(64.43, -60.23, 47.42)
CIE-LCH	lch(64.43, 76.66, 141.79°)
OKLab	oklab(67.35% -0.1622 0.1104)
OKLCH	oklch(67.35% 0.196 145.7)
XYZ	xyz(17.8725, 33.3338, 10.3416)
Luminance	0.3334 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B440 #B42195

analogous

#4CB421 #21B440 #21B48A

triadic

#21B440 #4021B4 #B44021

tetradic

#21B440 #214CB4 #B42195 #B48A21

square

#21B440 #214CB4 #B42195 #B48A21

split-complementary

#21B440 #8A21B4 #B4214C

monochromatic

#0E4D1B #18802E #21B440 #38DA5A #6BE485

Accessibility & contrast

On white

2.74

#21B440 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.67

#21B440 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B440

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B440	#FFFFFF	#000000	##000000
##21B440	1.00	2.74	7.67	7.67
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.67	21.00	1.00	1.00
##000000	7.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A332

Deuteranopia (green-blind)

#A7984A

Tritanopia (blue-blind)

#00AF9C

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #21b440;
/* rgb */ color: rgb(33, 180, 64);
/* oklch */ color: oklch(67.3% 0.196 145.7);

Tailwind

colors: {
  custom: {
    50: '#78cc7a',
    500: '#21b440',
    950: '#000000',
  },
}

SCSS

$custom: #21b440;
$custom-light: #78cc7a;
$custom-dark: #000000;

JSON

{
  "hex": "#21b440",
  "rgb": {
    "r": 33,
    "g": 180,
    "b": 64
  },
  "hsl": {
    "h": 132.653,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.6735,
    "c": 0.19622,
    "h": 145.7
  },
  "luminance": 0.33336
}

Semantic roles & 50–950 ramp

primary

#21B440

secondary

#CA67B5

accent

#3CC7EC

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #21B440

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

Preview Lab → · Contrast checker → · Palette generator →