#21BD37#21BD37

#21BD37 is a light, highly saturated green. Relative luminance 0.370; OKLCH L 69.7% C 0.212 H 144.4°. Best body text is #000000 at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#21BD37
RGB	rgb(33, 189, 55)
HSL	hsl(128, 70%, 44%)
HSV	hsv(128, 83%, 74%)
CMYK	cmyk(82.5%, 0%, 70.9%, 25.9%)
CIE-LAB	lab(67.27, -63.97, 54.17)
CIE-LCH	lch(67.27, 83.82, 139.74°)
OKLab	oklab(69.69% -0.1727 0.1237)
OKLCH	oklch(69.69% 0.212 144.4)
XYZ	xyz(19.5130, 36.9919, 9.7254)
Luminance	0.3699 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21BD37 #BD21A7

analogous

#59BD21 #21BD37 #21BD85

triadic

#21BD37 #3721BD #BD3721

tetradic

#21BD37 #2159BD #BD21A7 #BD8521

square

#21BD37 #2159BD #BD21A7 #BD8521

split-complementary

#21BD37 #8521BD #BD2159

monochromatic

#0F5519 #188928 #21BD37 #3EDD54 #72E682

Accessibility & contrast

On white

2.50

#21BD37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.40

#21BD37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21BD37

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21BD37	#FFFFFF	#000000	##000000
##21BD37	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)

#C0AB22

Deuteranopia (green-blind)

#B09F45

Tritanopia (blue-blind)

#00B8A2

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #21bd37;
/* rgb */ color: rgb(33, 189, 55);
/* oklch */ color: oklch(69.7% 0.212 144.4);

Tailwind

colors: {
  custom: {
    50: '#7bd275',
    500: '#21bd37',
    950: '#000000',
  },
}

SCSS

$custom: #21bd37;
$custom-light: #7bd275;
$custom-dark: #000000;

JSON

{
  "hex": "#21bd37",
  "rgb": {
    "r": 33,
    "g": 189,
    "b": 55
  },
  "hsl": {
    "h": 128.462,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.69688,
    "c": 0.21242,
    "h": 144.4
  },
  "luminance": 0.36994
}

Semantic roles & 50–950 ramp

primary

#21BD37

secondary

#CD6DC0

accent

#3BD4ED

background

#F8FDF7

surface

#EFFAED

border

#CAD3C8

text

#0B1409

muted

#7C837B

Preview Lab

Preview with #21BD37

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

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