#21BC59#21BC59

#21BC59 is a light, vivid green. Relative luminance 0.370; OKLCH L 69.8% C 0.186 H 149.4°. Best body text is #000000 at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#21BC59
RGB	rgb(33, 188, 89)
HSL	hsl(142, 70%, 43%)
HSV	hsv(142, 82%, 74%)
CMYK	cmyk(82.4%, 0%, 52.7%, 26.3%)
CIE-LAB	lab(67.28, -59.56, 39.13)
CIE-LCH	lch(67.28, 71.26, 146.70°)
OKLab	oklab(69.81% -0.1598 0.0943)
OKLCH	oklch(69.81% 0.186 149.4)
XYZ	xyz(20.4119, 37.0085, 15.5168)
Luminance	0.3701 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21BC59 #BC2184

analogous

#37BC21 #21BC59 #21BCA6

triadic

#21BC59 #5921BC #BC5921

tetradic

#21BC59 #2137BC #BC2184 #BCA621

square

#21BC59 #2137BC #BC2184 #BCA621

split-complementary

#21BC59 #A621BC #BC2137

monochromatic

#0F5428 #188840 #21BC59 #3DDD77 #71E69B

Accessibility & contrast

On white

2.50

#21BC59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.40

#21BC59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21BC59

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21BC59	#FFFFFF	#000000	##000000
##21BC59	1.00	2.50	8.40	8.40
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.40	21.00	1.00	1.00
##000000	8.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDAB50

Deuteranopia (green-blind)

#AD9F60

Tritanopia (blue-blind)

#00B8A5

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #21bc59;
/* rgb */ color: rgb(33, 188, 89);
/* oklch */ color: oklch(69.8% 0.186 149.4);

Tailwind

colors: {
  custom: {
    50: '#79d18a',
    500: '#21bc59',
    950: '#000000',
  },
}

SCSS

$custom: #21bc59;
$custom-light: #79d18a;
$custom-dark: #000000;

JSON

{
  "hex": "#21bc59",
  "rgb": {
    "r": 33,
    "g": 188,
    "b": 89
  },
  "hsl": {
    "h": 141.677,
    "s": 70.136,
    "l": 43.333
  },
  "oklch": {
    "l": 0.69807,
    "c": 0.18556,
    "h": 149.4
  },
  "luminance": 0.37011
}

Semantic roles & 50–950 ramp

primary

#21BC59

secondary

#CD6CAA

accent

#3BADED

background

#F8FDF8

surface

#EFFAF0

border

#CAD3CB

text

#0B140C

muted

#7C837D

Preview Lab

Preview with #21BC59

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

Preview Lab → · Contrast checker → · Palette generator →