#378667
Closest named color: Sea Green (#2E8B57). oklch(56.2% 0.092 164.6), rgb(55, 134, 103).
Aa
Black text reads best on this color (4.76:1).
About this color
#378667 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.092 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.033 away. Black text reads best on it, at 4.76:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.092) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.76:1 |
| White text | 4.40:1 |
Values
| HEX | #378667 |
| RGB | rgb(55, 134, 103) |
| HSL | hsl(156, 42%, 37%) |
| OKLCH | oklch(56.2% 0.092 164.6) |
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 #378667 | 4.40:1 | AA large text | Lc -75.8 | Fine for body text |
| Black text on #378667 | 4.76:1 | AA | Lc 33.8 | Non-text elements, placeholder text |
| #378667 text on white | 4.40:1 | AA large text | Lc 70.3 | Content text, not long reading |
| #378667 text on black | 4.76:1 | AA | Lc -31.4 | Non-text elements, placeholder text |
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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3ECE8
oklch(93.5% 0.011 167.8)
-
Step 200
200
#CCDED5
oklch(88.5% 0.023 164.5)
-
Step 300
300
#A9CABA
oklch(81% 0.042 164.5)
-
Step 400
400
#79AE96
oklch(70.7% 0.066 164.7)
-
Step 500
500
#549A7C
oklch(63.1% 0.085 164.3)
-
Step 600
600 (this color)
#378667
oklch(56.2% 0.092 164.6)
-
Step 700
700
#267054
oklch(49.1% 0.086 164.6)
-
Step 800
800
#225B45
oklch(42.7% 0.071 164.8)
-
Step 900
900
#224B3A
oklch(37.8% 0.055 164.4)
-
Step 950
950
#152C22
oklch(27.1% 0.035 164.2)
#378667 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) | #847D65 | 0.091 |
| Deuteranopia (no green cones) | #787569 | 0.087 |
| Tritanopia (no blue cones) | #11867D | 0.035 |
| Achromatopsia (no color) | #787878 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #378667
#378667
oklch(56.2% 0.092 164.6)
- #9B5E82
#9B5E82
oklch(56.1% 0.093 344.2)
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 #378667, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.033
- Viridian #1E9167 ΔE 0.035
- Dark Sage #598556 ΔE 0.035
- Teal #008080 ΔE 0.052
- Dark Cyan #008B8B ΔE 0.052
- Slate Green #658D6D ΔE 0.054
- Light Forest Green #4F9153 ΔE 0.054
- Dusty Teal #4C9085 ΔE 0.054
Use #378667 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.