#378449
Closest named color: Sea Green (#2E8B57). oklch(55% 0.118 148.8), rgb(55, 132, 73).
Aa
White text reads best on this color (4.60:1).
About this color
#378449 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.118 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.023 away. White text reads best on it, at 4.60:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.55:1 |
| White text | 4.60:1 |
Values
| HEX | #378449 |
| RGB | rgb(55, 132, 73) |
| HSL | hsl(134, 41%, 37%) |
| OKLCH | oklch(55% 0.118 148.8) |
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 #378449 | 4.60:1 | AA | Lc -77.2 | Fine for body text |
| Black text on #378449 | 4.55:1 | AA | Lc 32.3 | Non-text elements, placeholder text |
| #378449 text on white | 4.60:1 | AA | Lc 71.7 | Content text, not long reading |
| #378449 text on black | 4.55:1 | AA | Lc -29.9 | 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
#E3EDE4
oklch(93.6% 0.016 148.4)
-
Step 200
200
#CCDFCF
oklch(88.5% 0.03 150.1)
-
Step 300
300
#AACBAE
oklch(81% 0.054 148.5)
-
Step 400
400
#7BB083
oklch(70.8% 0.086 148.5)
-
Step 500
500
#579C64
oklch(63.2% 0.109 148.6)
-
Step 600
600 (this color)
#378449
oklch(55% 0.118 148.8)
-
Step 700
700
#2B713C
oklch(49% 0.109 148.8)
-
Step 800
800
#255C32
oklch(42.6% 0.09 149)
-
Step 900
900
#244C2C
oklch(37.8% 0.071 148.6)
-
Step 950
950
#162C1A
oklch(26.9% 0.044 148.7)
#378449 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) | #857945 | 0.097 |
| Deuteranopia (no green cones) | #7B724D | 0.096 |
| Tritanopia (no blue cones) | #258276 | 0.067 |
| Achromatopsia (no color) | #757575 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #378449
#378449
oklch(55% 0.118 148.8)
- #965693
#965693
oklch(54.9% 0.118 328.7)
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 #378449, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.023
- Jungle Green #048243 ΔE 0.027
- Dark Sage #598556 ΔE 0.041
- Fern Green #548D44 ΔE 0.042
- Viridian #1E9167 ΔE 0.045
- Light Forest Green #4F9153 ΔE 0.048
- Tree Green #2A7E19 ΔE 0.050
- Military Green #667C3E ΔE 0.050
Use #378449 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.