#378053
Closest named color: Sea Green (#2E8B57). oklch(54.1% 0.102 154), rgb(55, 128, 83).
Aa
White text reads best on this color (4.79:1).
About this color
#378053 is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.102 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.032 away. White text reads best on it, at 4.79:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.37:1 |
| White text | 4.79:1 |
Values
| HEX | #378053 |
| RGB | rgb(55, 128, 83) |
| HSL | hsl(143, 40%, 36%) |
| OKLCH | oklch(54.1% 0.102 154) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #378053 | 4.79:1 | AA | Lc -78.5 | Fine for body text |
| Black text on #378053 | 4.37:1 | AA large text | Lc 31.0 | Non-text elements, placeholder text |
| #378053 text on white | 4.79:1 | AA | Lc 73.1 | Content text, not long reading |
| #378053 text on black | 4.37:1 | AA large text | Lc -28.6 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE6
oklch(93.7% 0.014 155.6)
-
Step 200
200
#CDDED2
oklch(88.4% 0.024 155.1)
-
Step 300
300
#ABCAB3
oklch(81% 0.046 153.2)
-
Step 400
400
#7CAE8C
oklch(70.6% 0.073 154.4)
-
Step 500
500
#599A6F
oklch(63.1% 0.094 153.9)
-
Step 600
600 (this color)
#378053
oklch(54.1% 0.102 154)
-
Step 700
700
#2D7047
oklch(49% 0.095 153.9)
-
Step 800
800
#275B3B
oklch(42.6% 0.078 154.3)
-
Step 900
900
#254B32
oklch(37.7% 0.061 153.5)
-
Step 950
950
#162C1E
oklch(27% 0.039 154.9)
#378053 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #807650 | 0.091 |
| Deuteranopia (no green cones) | #766F56 | 0.089 |
| Tritanopia (no blue cones) | #227F74 | 0.050 |
| Achromatopsia (no color) | #727272 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #378053
#378053
oklch(54.1% 0.102 154)
- #925787
#925787
oklch(54% 0.101 334)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #378053, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.032
- Jungle Green #048243 ΔE 0.036
- Dark Sage #598556 ΔE 0.039
- Viridian #1E9167 ΔE 0.050
- Military Green #667C3E ΔE 0.051
- Fern Green #548D44 ΔE 0.057
- Muddy Green #657432 ΔE 0.058
- Light Forest Green #4F9153 ΔE 0.059
Use #378053 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.