#277B40#277B40

#277B40 is a mid, vivid green. Relative luminance 0.150; OKLCH L 51.8% C 0.121 H 149.7°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#277B40
RGB	rgb(39, 123, 64)
HSL	hsl(138, 52%, 32%)
HSV	hsv(138, 68%, 48%)
CMYK	cmyk(68.3%, 0%, 48%, 51.8%)
CIE-LAB	lab(45.59, -38.89, 25.04)
CIE-LCH	lch(45.59, 46.26, 147.22°)
OKLab	oklab(51.78% -0.1049 0.0613)
OKLCH	oklch(51.78% 0.121 149.7)
XYZ	xyz(8.8444, 14.9665, 7.2722)
Luminance	0.1497 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277B40 #7B2762

analogous

#387B27 #277B40 #277B6A

triadic

#277B40 #40277B #7B4027

tetradic

#277B40 #27387B #7B2762 #7B6A27

square

#277B40 #27387B #7B2762 #7B6A27

split-complementary

#277B40 #6A277B #7B2738

monochromatic

#0A1E10 #184D28 #277B40 #36A958 #54C977

Accessibility & contrast

On white

5.26

#277B40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#277B40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277B40

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277B40	#FFFFFF	#000000	##FFFFFF
##277B40	1.00	5.26	3.99	5.26
#FFFFFF	5.26	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C703B

Deuteranopia (green-blind)

#716944

Tritanopia (blue-blind)

#04796D

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #277b40;
/* rgb */ color: rgb(39, 123, 64);
/* oklch */ color: oklch(51.8% 0.121 149.7);

Tailwind

colors: {
  custom: {
    50: '#6ca276',
    500: '#277b40',
    950: '#000000',
  },
}

SCSS

$custom: #277b40;
$custom-light: #6ca276;
$custom-dark: #000000;

JSON

{
  "hex": "#277b40",
  "rgb": {
    "r": 39,
    "g": 123,
    "b": 64
  },
  "hsl": {
    "h": 137.857,
    "s": 51.852,
    "l": 31.765
  },
  "oklch": {
    "l": 0.51776,
    "c": 0.12149,
    "h": 149.7
  },
  "luminance": 0.14967
}

Semantic roles & 50–950 ramp

primary

#277B40

secondary

#AD5192

accent

#4CB1DB

background

#F6FAF7

surface

#ECF3ED

border

#C7CDC8

text

#070F08

muted

#7A7F7B

Preview Lab

Preview with #277B40

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

Preview Lab → · Contrast checker → · Palette generator →