#378657#378657

#378657 is a mid, moderate green. Relative luminance 0.186; OKLCH L 55.8% C 0.107 H 154.6°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#378657
RGB	rgb(55, 134, 87)
HSL	hsl(144, 42%, 37%)
HSV	hsv(144, 59%, 53%)
CMYK	cmyk(59%, 0%, 35.1%, 47.5%)
CIE-LAB	lab(50.16, -35.58, 18.25)
CIE-LCH	lch(50.16, 39.99, 152.85°)
OKLab	oklab(55.8% -0.0967 0.0459)
OKLCH	oklch(55.8% 0.107 154.6)
XYZ	xyz(11.8200, 18.5494, 11.9725)
Luminance	0.1855 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378657 #863766

analogous

#3E8637 #378657 #37867F

triadic

#378657 #573786 #865737

tetradic

#378657 #373E86 #863766 #867F37

square

#378657 #373E86 #863766 #867F37

split-complementary

#378657 #7F3786 #86373E

monochromatic

#132F1F #255B3B #378657 #49B173 #72C594

Accessibility & contrast

On white

4.46

#378657 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#378657 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378657

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378657	#FFFFFF	#000000	##000000
##378657	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#867C54

Deuteranopia (green-blind)

#7B745A

Tritanopia (blue-blind)

#1D857A

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #378657;
/* rgb */ color: rgb(55, 134, 87);
/* oklch */ color: oklch(55.8% 0.107 154.6);

Tailwind

colors: {
  custom: {
    50: '#75aa86',
    500: '#378657',
    950: '#000000',
  },
}

SCSS

$custom: #378657;
$custom-light: #75aa86;
$custom-dark: #000000;

JSON

{
  "hex": "#378657",
  "rgb": {
    "r": 55,
    "g": 134,
    "b": 87
  },
  "hsl": {
    "h": 144.304,
    "s": 41.799,
    "l": 37.059
  },
  "oklch": {
    "l": 0.55798,
    "c": 0.10705,
    "h": 154.6
  },
  "luminance": 0.18551
}

Semantic roles & 50–950 ramp

primary

#378657

secondary

#AE6B93

accent

#56A0D2

background

#F7FAF8

surface

#EDF4EF

border

#C8CECA

text

#09100B

muted

#7B7F7C

Preview Lab

Preview with #378657

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

Preview Lab → · Contrast checker → · Palette generator →