#278E58#278E58

#278E58 is a mid, vivid green. Relative luminance 0.205; OKLCH L 57.5% C 0.125 H 155.6°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#278E58
RGB	rgb(39, 142, 88)
HSL	hsl(149, 57%, 35%)
HSV	hsv(149, 73%, 56%)
CMYK	cmyk(72.5%, 0%, 38%, 44.3%)
CIE-LAB	lab(52.38, -42.02, 20.59)
CIE-LCH	lch(52.38, 46.80, 153.90°)
OKLab	oklab(57.5% -0.1136 0.0516)
OKLCH	oklch(57.5% 0.125 155.6)
XYZ	xyz(12.2700, 20.4805, 12.5371)
Luminance	0.2048 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278E58 #8E275D

analogous

#298E27 #278E58 #278E8B

triadic

#278E58 #58278E #8E5827

tetradic

#278E58 #27298E #8E275D #8E8B27

square

#278E58 #27298E #8E275D #8E8B27

split-complementary

#278E58 #8B278E #8E2729

monochromatic

#0D2E1C #1A5E3A #278E58 #34BE76 #5DD295

Accessibility & contrast

On white

4.12

#278E58 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#278E58 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278E58

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278E58	#FFFFFF	#000000	##000000
##278E58	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D8254

Deuteranopia (green-blind)

#81795C

Tritanopia (blue-blind)

#008D80

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #278e58;
/* rgb */ color: rgb(39, 142, 88);
/* oklch */ color: oklch(57.5% 0.125 155.6);

Tailwind

colors: {
  custom: {
    50: '#70b087',
    500: '#278e58',
    950: '#000000',
  },
}

SCSS

$custom: #278e58;
$custom-light: #70b087;
$custom-dark: #000000;

JSON

{
  "hex": "#278e58",
  "rgb": {
    "r": 39,
    "g": 142,
    "b": 88
  },
  "hsl": {
    "h": 148.544,
    "s": 56.906,
    "l": 35.49
  },
  "oklch": {
    "l": 0.57504,
    "c": 0.12477,
    "h": 155.6
  },
  "luminance": 0.20482
}

Semantic roles & 50–950 ramp

primary

#278E58

secondary

#B8598B

accent

#4898E0

background

#F7FAF8

surface

#EDF5EF

border

#C8CFCA

text

#08100B

muted

#7B7F7C

Preview Lab

Preview with #278E58

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

Preview Lab → · Contrast checker → · Palette generator →